[Intel-gfx] [PATCH 0/5] MIPI DSI driver enhancements

[Intel-gfx] [PATCH 0/5] MIPI DSI driver enhancements

[Lee Shawn C]

*** BLURB HERE ***

Lee Shawn C (5):
  drm/i915/dsi: send correct gpio_number on gen11 platform
  drm/i915/jsl: program DSI panel GPIOs
  drm/i915/dsi: wait for header and payload credit available
  drm/i915/dsi: refine send MIPI DCS command sequence
  drm/i915: Get proper min cdclk if vDSC enabled

 drivers/gpu/drm/i915/display/icl_dsi.c       | 50 ++++++++++----------
 drivers/gpu/drm/i915/display/intel_cdclk.c   | 12 +++++
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 46 +++++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h              | 10 ++++
 4 files changed, 90 insertions(+), 28 deletions(-)

-- 
2.17.1

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[Intel-gfx] [PATCH 1/5] drm/i915/dsi: send correct gpio_number on gen11 platform

[Lee Shawn C]

Transfer "gpio_nunmber" instead of "gpio_index" while doing
gpio configuration in icl_exec_gpio().

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index c2a2cd1f84dc..cc93e045a425 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -381,7 +381,7 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 	value = *data++ & 1;
 
 	if (DISPLAY_VER(dev_priv) >= 11)
-		icl_exec_gpio(dev_priv, gpio_source, gpio_index, value);
+		icl_exec_gpio(dev_priv, gpio_source, gpio_number, value);
 	else if (IS_VALLEYVIEW(dev_priv))
 		vlv_exec_gpio(dev_priv, gpio_source, gpio_number, value);
 	else if (IS_CHERRYVIEW(dev_priv))
-- 
2.17.1

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[Intel-gfx] [PATCH 2/5] drm/i915/jsl: program DSI panel GPIOs

[Lee Shawn C]

DSI driver should have its own implementation to toggle
gpio pins based on GPIO info coming from VBT sequences.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 44 +++++++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h              | 10 +++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index cc93e045a425..dd03e5629ba6 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -43,6 +43,7 @@
 #include "intel_display_types.h"
 #include "intel_dsi.h"
 #include "intel_sideband.h"
+#include "intel_de.h"
 
 #define MIPI_TRANSFER_MODE_SHIFT	0
 #define MIPI_VIRTUAL_CHANNEL_SHIFT	1
@@ -354,7 +355,48 @@ static void bxt_exec_gpio(struct drm_i915_private *dev_priv,
 static void icl_exec_gpio(struct drm_i915_private *dev_priv,
 			  u8 gpio_source, u8 gpio_index, bool value)
 {
-	drm_dbg_kms(&dev_priv->drm, "Skipping ICL GPIO element execution\n");
+	u32 val;
+
+	switch (gpio_index) {
+	case ICL_GPIO_L_VDDEN_1:
+		val = intel_de_read(dev_priv, ICP_PP_CONTROL(1));
+		if (value)
+			val |= PWR_STATE_TARGET;
+		else
+			val &= ~PWR_STATE_TARGET;
+		intel_de_write(dev_priv, ICP_PP_CONTROL(1), val);
+		break;
+	case ICL_GPIO_L_BKLTEN_1:
+		val = intel_de_read(dev_priv, ICP_PP_CONTROL(1));
+		if (value)
+			val |= BACKLIGHT_ENABLE;
+		else
+			val &= ~BACKLIGHT_ENABLE;
+		intel_de_write(dev_priv, ICP_PP_CONTROL(1), val);
+		break;
+	case ICL_GPIO_DDPA_CTRLCLK_1:
+		val = intel_de_read(dev_priv, GPIO(1));
+		if (value)
+			val |= GPIO_CLOCK_VAL_OUT;
+		else
+			val &= ~GPIO_CLOCK_VAL_OUT;
+		val |= GPIO_CLOCK_DIR_MASK | GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_VAL_MASK;
+		intel_de_write(dev_priv, GPIO(1), val);
+		break;
+	case ICL_GPIO_DDPA_CTRLDATA_1:
+		val = intel_de_read(dev_priv, GPIO(1));
+		if (value)
+			val |= GPIO_DATA_VAL_OUT;
+		else
+			val &= ~GPIO_DATA_VAL_OUT;
+		val |= GPIO_DATA_DIR_MASK | GPIO_DATA_DIR_OUT | GPIO_DATA_VAL_MASK;
+		intel_de_write(dev_priv, GPIO(1), val);
+		break;
+	default:
+		/* TODO: Add support for remaining GPIOs */
+		DRM_ERROR("Invalid GPIO number (%d) from VBT\n", gpio_index);
+		break;
+	}
 }
 
 static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 943fe485c662..b725234e0e9c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5143,6 +5143,16 @@ enum {
 #define _PP_STATUS			0x61200
 #define PP_STATUS(pps_idx)		_MMIO_PPS(pps_idx, _PP_STATUS)
 #define   PP_ON				REG_BIT(31)
+
+#define _PP_CONTROL_1			0xc7204
+#define _PP_CONTROL_2			0xc7304
+#define ICP_PP_CONTROL(x)		_MMIO(((x) == 1) ? _PP_CONTROL_1 : \
+					      _PP_CONTROL_2)
+#define  POWER_CYCLE_DELAY_MASK		REG_GENMASK(8, 4)
+#define  VDD_OVERRIDE_FORCE		REG_BIT(3)
+#define  BACKLIGHT_ENABLE		REG_BIT(2)
+#define  PWR_DOWN_ON_RESET		REG_BIT(1)
+#define  PWR_STATE_TARGET		REG_BIT(0)
 /*
  * Indicates that all dependencies of the panel are on:
  *
-- 
2.17.1

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[Intel-gfx] [PATCH 3/5] drm/i915/dsi: wait for header and payload credit available

[Lee Shawn C]

Driver should wait for free header or payload buffer in FIFO.
It would be good to wait a while for HW to release credit before
give it up to write to HW. Without sending initailize command
sets completely. It would caused MIPI display can't light up properly.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 40 ++++++++++++--------------
 1 file changed, 19 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 43ec7fcd3f5d..1780830d9909 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -54,20 +54,28 @@ static int payload_credits_available(struct drm_i915_private *dev_priv,
 		>> FREE_PLOAD_CREDIT_SHIFT;
 }
 
-static void wait_for_header_credits(struct drm_i915_private *dev_priv,
-				    enum transcoder dsi_trans)
+static bool wait_for_header_credits(struct drm_i915_private *dev_priv,
+				    enum transcoder dsi_trans, int hdr_credit)
 {
 	if (wait_for_us(header_credits_available(dev_priv, dsi_trans) >=
-			MAX_HEADER_CREDIT, 100))
+			hdr_credit, 100)) {
 		drm_err(&dev_priv->drm, "DSI header credits not released\n");
+		return false;
+	}
+
+	return true;
 }
 
-static void wait_for_payload_credits(struct drm_i915_private *dev_priv,
-				     enum transcoder dsi_trans)
+static bool wait_for_payload_credits(struct drm_i915_private *dev_priv,
+				     enum transcoder dsi_trans, int payld_credit)
 {
 	if (wait_for_us(payload_credits_available(dev_priv, dsi_trans) >=
-			MAX_PLOAD_CREDIT, 100))
+			payld_credit, 100)) {
 		drm_err(&dev_priv->drm, "DSI payload credits not released\n");
+		return false;
+	}
+
+	return true;
 }
 
 static enum transcoder dsi_port_to_transcoder(enum port port)
@@ -90,8 +98,8 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder)
 	/* wait for header/payload credits to be released */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		dsi_trans = dsi_port_to_transcoder(port);
-		wait_for_header_credits(dev_priv, dsi_trans);
-		wait_for_payload_credits(dev_priv, dsi_trans);
+		wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT);
+		wait_for_payload_credits(dev_priv, dsi_trans, MAX_PLOAD_CREDIT);
 	}
 
 	/* send nop DCS command */
@@ -108,7 +116,7 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder)
 	/* wait for header credits to be released */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		dsi_trans = dsi_port_to_transcoder(port);
-		wait_for_header_credits(dev_priv, dsi_trans);
+		wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT);
 	}
 
 	/* wait for LP TX in progress bit to be cleared */
@@ -126,18 +134,13 @@ static bool add_payld_to_queue(struct intel_dsi_host *host, const u8 *data,
 	struct intel_dsi *intel_dsi = host->intel_dsi;
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	enum transcoder dsi_trans = dsi_port_to_transcoder(host->port);
-	int free_credits;
 	int i, j;
 
 	for (i = 0; i < len; i += 4) {
 		u32 tmp = 0;
 
-		free_credits = payload_credits_available(dev_priv, dsi_trans);
-		if (free_credits < 1) {
-			drm_err(&dev_priv->drm,
-				"Payload credit not available\n");
+		if (!wait_for_payload_credits(dev_priv, dsi_trans, 1))
 			return false;
-		}
 
 		for (j = 0; j < min_t(u32, len - i, 4); j++)
 			tmp |= *data++ << 8 * j;
@@ -155,15 +158,10 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	enum transcoder dsi_trans = dsi_port_to_transcoder(host->port);
 	u32 tmp;
-	int free_credits;
 
 	/* check if header credit available */
-	free_credits = header_credits_available(dev_priv, dsi_trans);
-	if (free_credits < 1) {
-		drm_err(&dev_priv->drm,
-			"send pkt header failed, not enough hdr credits\n");
+	if (!wait_for_header_credits(dev_priv, dsi_trans, 1))
 		return -1;
-	}
 
 	tmp = intel_de_read(dev_priv, DSI_CMD_TXHDR(dsi_trans));
 
-- 
2.17.1

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[Intel-gfx] [PATCH 4/5] drm/i915/dsi: refine send MIPI DCS command sequence

[Lee Shawn C]

According to chapter "Sending Commands to the Panel" in bspec #29738
and #49188. If driver try to send DCS long pakcet, we have to program
TX payload register at first. And configure TX header HW register later.
DSC long packet would not be sent properly if we don't follow this
sequence.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 1780830d9909..60413bbf565f 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1807,11 +1807,6 @@ static ssize_t gen11_dsi_host_transfer(struct mipi_dsi_host *host,
 	if (msg->flags & MIPI_DSI_MSG_USE_LPM)
 		enable_lpdt = true;
 
-	/* send packet header */
-	ret  = dsi_send_pkt_hdr(intel_dsi_host, dsi_pkt, enable_lpdt);
-	if (ret < 0)
-		return ret;
-
 	/* only long packet contains payload */
 	if (mipi_dsi_packet_format_is_long(msg->type)) {
 		ret = dsi_send_pkt_payld(intel_dsi_host, dsi_pkt);
@@ -1819,6 +1814,11 @@ static ssize_t gen11_dsi_host_transfer(struct mipi_dsi_host *host,
 			return ret;
 	}
 
+	/* send packet header */
+	ret  = dsi_send_pkt_hdr(intel_dsi_host, dsi_pkt, enable_lpdt);
+	if (ret < 0)
+		return ret;
+
 	//TODO: add payload receive code if needed
 
 	ret = sizeof(dsi_pkt.header) + dsi_pkt.payload_length;
-- 
2.17.1

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[Intel-gfx] [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled

[Lee Shawn C]

VDSC engine can process only 1 pixel per Cd clock. In case
VDSC is used and max slice count == 1, max supported pixel
clock should be 100% of CD clock. Then do min_cdclk and
pixel clock comparison to get proper min cdclk.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cdclk.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 71067a62264d..c33d574eb991 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2159,6 +2159,18 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
 	/* Account for additional needs from the planes */
 	min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk);
 
+	/*
+	 * VDSC engine can process only 1 pixel per Cd clock.
+	 * In case VDSC is used and max slice count == 1,
+	 * max supported pixel clock should be 100% of CD clock.
+	 * Then do min_cdclk and pixel clock comparison to get cdclk.
+	 */
+	if (DISPLAY_VER(dev_priv) >= 11 &&
+	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
+	    crtc_state->dsc.compression_enable &&
+	    crtc_state->dsc.slice_count == 1)
+		min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
+
 	/*
 	 * HACK. Currently for TGL platforms we calculate
 	 * min_cdclk initially based on pixel_rate divided
-- 
2.17.1

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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for MIPI DSI driver enhancements

[Patchwork]

== Series Details ==

Series: MIPI DSI driver enhancements
URL   : https://patchwork.freedesktop.org/series/92695/
State : warning

== Summary ==

$ dim sparse --fast origin/drm-tip
Sparse version: v0.6.2
Fast mode used, each commit won't be checked separately.
-
+drivers/gpu/drm/i915/display/intel_display.c:1896:21:    expected struct i915_vma *[assigned] vma
+drivers/gpu/drm/i915/display/intel_display.c:1896:21:    got void [noderef] __iomem *[assigned] iomem
+drivers/gpu/drm/i915/display/intel_display.c:1896:21: warning: incorrect type in assignment (different address spaces)
+drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34:    expected struct i915_address_space *vm
+drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34:    got struct i915_address_space [noderef] __rcu *vm
+drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34: warning: incorrect type in argument 1 (different address spaces)
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25:    expected struct i915_address_space [noderef] __rcu *vm
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25:    got struct i915_address_space *
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25: warning: incorrect type in assignment (different address spaces)
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34:    expected struct i915_address_space *vm
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34:    got struct i915_address_space [noderef] __rcu *vm
+drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34: warning: incorrect type in argument 1 (different address spaces)
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:32:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:32:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:56:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:56:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_reset.c:1396:5: warning: context imbalance in 'intel_gt_reset_trylock' - different lock contexts for basic block
+drivers/gpu/drm/i915/gt/intel_ring_submission.c:1210:24: warning: Using plain integer as NULL pointer
+drivers/gpu/drm/i915/i915_perf.c:1434:15: warning: memset with byte count of 16777216
+drivers/gpu/drm/i915/i915_perf.c:1488:15: warning: memset with byte count of 16777216
+./include/asm-generic/bitops/find.h:112:45: warning: shift count is negative (-262080)
+./include/asm-generic/bitops/find.h:32:31: warning: shift count is negative (-262080)
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write8' - different lock contexts for basic block


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[Intel-gfx] ✗ Fi.CI.DOCS: warning for MIPI DSI driver enhancements

[Patchwork]

== Series Details ==

Series: MIPI DSI driver enhancements
URL   : https://patchwork.freedesktop.org/series/92695/
State : warning

== Summary ==

$ make htmldocs 2>&1 > /dev/null | grep i915
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'jump_whitelist' description in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'shadow_map' description in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'batch_map' description in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Function parameter or member 'trampoline' not described in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'jump_whitelist' description in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'shadow_map' description in 'intel_engine_cmd_parser'
./drivers/gpu/drm/i915/i915_cmd_parser.c:1436: warning: Excess function parameter 'batch_map' description in 'intel_engine_cmd_parser'


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[Intel-gfx] ✓ Fi.CI.BAT: success for MIPI DSI driver enhancements

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 3923 bytes --]

== Series Details ==

Series: MIPI DSI driver enhancements
URL   : https://patchwork.freedesktop.org/series/92695/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_10350 -> Patchwork_20643
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_20643:

### IGT changes ###

#### Suppressed ####

  The following results come from untrusted machines, tests, or statuses.
  They do not affect the overall result.

  * igt@runner@aborted:
    - {fi-tgl-1115g4}:    NOTRUN -> [FAIL][1]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-tgl-1115g4/igt@runner@aborted.html

  
Known issues
------------

  Here are the changes found in Patchwork_20643 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@amdgpu/amd_basic@semaphore:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][2] ([fdo#109271]) +27 similar issues
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-bdw-5557u/igt@amdgpu/amd_basic@semaphore.html

  * igt@amdgpu/amd_cs_nop@sync-fork-compute0:
    - fi-kbl-soraka:      NOTRUN -> [SKIP][3] ([fdo#109271]) +13 similar issues
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-kbl-soraka/igt@amdgpu/amd_cs_nop@sync-fork-compute0.html

  * igt@core_hotunplug@unbind-rebind:
    - fi-bdw-5557u:       NOTRUN -> [WARN][4] ([i915#3718])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-bdw-5557u/igt@core_hotunplug@unbind-rebind.html

  * igt@kms_chamelium@dp-crc-fast:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][5] ([fdo#109271] / [fdo#111827]) +8 similar issues
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-bdw-5557u/igt@kms_chamelium@dp-crc-fast.html

  
#### Possible fixes ####

  * igt@gem_exec_suspend@basic-s0:
    - {fi-tgl-1115g4}:    [FAIL][6] ([i915#1888]) -> [PASS][7]
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/fi-tgl-1115g4/igt@gem_exec_suspend@basic-s0.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/fi-tgl-1115g4/igt@gem_exec_suspend@basic-s0.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109315]: https://bugs.freedesktop.org/show_bug.cgi?id=109315
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1887]: https://gitlab.freedesktop.org/drm/intel/issues/1887
  [i915#1888]: https://gitlab.freedesktop.org/drm/intel/issues/1888
  [i915#2575]: https://gitlab.freedesktop.org/drm/intel/issues/2575
  [i915#3718]: https://gitlab.freedesktop.org/drm/intel/issues/3718


Participating hosts (39 -> 35)
------------------------------

  Missing    (4): fi-ilk-m540 fi-bsw-cyan fi-bdw-samus fi-hsw-4200u 


Build changes
-------------

  * Linux: CI_DRM_10350 -> Patchwork_20643

  CI-20190529: 20190529
  CI_DRM_10350: 0da7e60301374bc5d2d53573b061cad7f6e2959e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6144: bc65ee9ee6593716306448c9fb82c77f284f2148 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20643: f981830475f75da719fb4dc14d465fedcfb52aa3 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

f981830475f7 drm/i915: Get proper min cdclk if vDSC enabled
81aaf60c9297 drm/i915/dsi: refine send MIPI DCS command sequence
aaf3e5434382 drm/i915/dsi: wait for header and payload credit available
f470eadd23ac drm/i915/jsl: program DSI panel GPIOs
8480a7a24e8c drm/i915/dsi: send correct gpio_number on gen11 platform

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/index.html

[-- Attachment #1.2: Type: text/html, Size: 4622 bytes --]

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_______________________________________________
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[Intel-gfx] ✓ Fi.CI.IGT: success for MIPI DSI driver enhancements

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 27673 bytes --]

== Series Details ==

Series: MIPI DSI driver enhancements
URL   : https://patchwork.freedesktop.org/series/92695/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_10350_full -> Patchwork_20643_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

Known issues
------------

  Here are the changes found in Patchwork_20643_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@feature_discovery@display-4x:
    - shard-apl:          NOTRUN -> [SKIP][1] ([fdo#109271]) +252 similar issues
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl6/igt@feature_discovery@display-4x.html

  * igt@gem_ctx_persistence@legacy-engines-hang@blt:
    - shard-skl:          NOTRUN -> [SKIP][2] ([fdo#109271]) +106 similar issues
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl8/igt@gem_ctx_persistence@legacy-engines-hang@blt.html

  * igt@gem_ctx_persistence@legacy-engines-mixed:
    - shard-snb:          NOTRUN -> [SKIP][3] ([fdo#109271] / [i915#1099]) +3 similar issues
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-snb7/igt@gem_ctx_persistence@legacy-engines-mixed.html

  * igt@gem_exec_fair@basic-deadline:
    - shard-glk:          [PASS][4] -> [FAIL][5] ([i915#2846])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-glk9/igt@gem_exec_fair@basic-deadline.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-glk3/igt@gem_exec_fair@basic-deadline.html

  * igt@gem_exec_fair@basic-none@vcs0:
    - shard-glk:          [PASS][6] -> [FAIL][7] ([i915#2842])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-glk8/igt@gem_exec_fair@basic-none@vcs0.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-glk2/igt@gem_exec_fair@basic-none@vcs0.html

  * igt@gem_exec_fair@basic-pace@vcs0:
    - shard-kbl:          [PASS][8] -> [FAIL][9] ([i915#2842])
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl2/igt@gem_exec_fair@basic-pace@vcs0.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl3/igt@gem_exec_fair@basic-pace@vcs0.html

  * igt@gem_exec_fair@basic-pace@vcs1:
    - shard-kbl:          [PASS][10] -> [SKIP][11] ([fdo#109271])
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl2/igt@gem_exec_fair@basic-pace@vcs1.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl3/igt@gem_exec_fair@basic-pace@vcs1.html

  * igt@gem_render_copy@y-tiled-to-vebox-linear:
    - shard-iclb:         NOTRUN -> [SKIP][12] ([i915#768])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@gem_render_copy@y-tiled-to-vebox-linear.html

  * igt@gem_userptr_blits@input-checking:
    - shard-skl:          NOTRUN -> [DMESG-WARN][13] ([i915#3002])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl8/igt@gem_userptr_blits@input-checking.html

  * igt@i915_selftest@mock@scatterlist:
    - shard-apl:          NOTRUN -> [DMESG-WARN][14] ([i915#3746]) +17 similar issues
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl1/igt@i915_selftest@mock@scatterlist.html

  * igt@i915_selftest@mock@vma:
    - shard-snb:          NOTRUN -> [DMESG-WARN][15] ([i915#3746]) +17 similar issues
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-snb6/igt@i915_selftest@mock@vma.html

  * igt@kms_big_fb@x-tiled-max-hw-stride-32bpp-rotate-0-async-flip:
    - shard-skl:          NOTRUN -> [FAIL][16] ([i915#3722])
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_big_fb@x-tiled-max-hw-stride-32bpp-rotate-0-async-flip.html

  * igt@kms_big_fb@y-tiled-max-hw-stride-32bpp-rotate-0-hflip:
    - shard-apl:          NOTRUN -> [SKIP][17] ([fdo#109271] / [i915#3777]) +1 similar issue
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl3/igt@kms_big_fb@y-tiled-max-hw-stride-32bpp-rotate-0-hflip.html

  * igt@kms_big_fb@y-tiled-max-hw-stride-64bpp-rotate-0-async-flip:
    - shard-skl:          NOTRUN -> [FAIL][18] ([i915#3763])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl8/igt@kms_big_fb@y-tiled-max-hw-stride-64bpp-rotate-0-async-flip.html

  * igt@kms_ccs@pipe-a-crc-primary-rotation-180-yf_tiled_ccs:
    - shard-tglb:         NOTRUN -> [SKIP][19] ([i915#3689])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb3/igt@kms_ccs@pipe-a-crc-primary-rotation-180-yf_tiled_ccs.html

  * igt@kms_chamelium@hdmi-edid-change-during-suspend:
    - shard-apl:          NOTRUN -> [SKIP][20] ([fdo#109271] / [fdo#111827]) +22 similar issues
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl1/igt@kms_chamelium@hdmi-edid-change-during-suspend.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - shard-snb:          NOTRUN -> [SKIP][21] ([fdo#109271] / [fdo#111827]) +14 similar issues
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-snb6/igt@kms_chamelium@hdmi-hpd-fast.html

  * igt@kms_chamelium@vga-hpd-for-each-pipe:
    - shard-skl:          NOTRUN -> [SKIP][22] ([fdo#109271] / [fdo#111827]) +9 similar issues
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl8/igt@kms_chamelium@vga-hpd-for-each-pipe.html

  * igt@kms_cursor_crc@pipe-a-cursor-suspend:
    - shard-kbl:          [PASS][23] -> [DMESG-WARN][24] ([i915#180]) +1 similar issue
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl6/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl4/igt@kms_cursor_crc@pipe-a-cursor-suspend.html

  * igt@kms_cursor_crc@pipe-c-cursor-32x32-rapid-movement:
    - shard-glk:          NOTRUN -> [SKIP][25] ([fdo#109271]) +1 similar issue
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-glk1/igt@kms_cursor_crc@pipe-c-cursor-32x32-rapid-movement.html
    - shard-tglb:         NOTRUN -> [SKIP][26] ([i915#3319])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb2/igt@kms_cursor_crc@pipe-c-cursor-32x32-rapid-movement.html

  * igt@kms_cursor_crc@pipe-d-cursor-256x85-random:
    - shard-iclb:         NOTRUN -> [SKIP][27] ([fdo#109278]) +2 similar issues
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@kms_cursor_crc@pipe-d-cursor-256x85-random.html

  * igt@kms_cursor_crc@pipe-d-cursor-512x170-offscreen:
    - shard-tglb:         NOTRUN -> [SKIP][28] ([fdo#109279] / [i915#3359]) +1 similar issue
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb3/igt@kms_cursor_crc@pipe-d-cursor-512x170-offscreen.html

  * igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions:
    - shard-skl:          NOTRUN -> [FAIL][29] ([i915#2346])
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl3/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html

  * igt@kms_cursor_legacy@flip-vs-cursor-legacy:
    - shard-skl:          [PASS][30] -> [FAIL][31] ([i915#2346])
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl9/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl6/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1:
    - shard-skl:          [PASS][32] -> [FAIL][33] ([i915#79])
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl3/igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1.html
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1.html

  * igt@kms_flip@flip-vs-suspend@c-dp1:
    - shard-apl:          [PASS][34] -> [DMESG-WARN][35] ([i915#180]) +1 similar issue
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl7/igt@kms_flip@flip-vs-suspend@c-dp1.html
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl8/igt@kms_flip@flip-vs-suspend@c-dp1.html

  * igt@kms_flip@plain-flip-fb-recreate@c-edp1:
    - shard-skl:          [PASS][36] -> [FAIL][37] ([i915#2122])
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl3/igt@kms_flip@plain-flip-fb-recreate@c-edp1.html
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_flip@plain-flip-fb-recreate@c-edp1.html

  * igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-indfb-draw-pwrite:
    - shard-snb:          NOTRUN -> [SKIP][38] ([fdo#109271]) +292 similar issues
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-snb6/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-indfb-draw-pwrite.html

  * igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-spr-indfb-fullscreen:
    - shard-tglb:         NOTRUN -> [SKIP][39] ([fdo#111825])
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb3/igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-spr-indfb-fullscreen.html

  * igt@kms_frontbuffer_tracking@psr-1p-offscren-pri-indfb-draw-mmap-gtt:
    - shard-kbl:          NOTRUN -> [SKIP][40] ([fdo#109271]) +1 similar issue
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl6/igt@kms_frontbuffer_tracking@psr-1p-offscren-pri-indfb-draw-mmap-gtt.html

  * igt@kms_hdr@bpc-switch-suspend:
    - shard-skl:          NOTRUN -> [FAIL][41] ([i915#1188])
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_hdr@bpc-switch-suspend.html

  * igt@kms_multipipe_modeset@basic-max-pipe-crc-check:
    - shard-iclb:         NOTRUN -> [SKIP][42] ([i915#1839])
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@kms_multipipe_modeset@basic-max-pipe-crc-check.html

  * igt@kms_pipe_crc_basic@compare-crc-sanitycheck-pipe-d:
    - shard-apl:          NOTRUN -> [SKIP][43] ([fdo#109271] / [i915#533]) +2 similar issues
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl3/igt@kms_pipe_crc_basic@compare-crc-sanitycheck-pipe-d.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-d:
    - shard-skl:          NOTRUN -> [SKIP][44] ([fdo#109271] / [i915#533])
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl6/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-d.html

  * igt@kms_plane@plane-panning-bottom-right-suspend@pipe-b-planes:
    - shard-apl:          NOTRUN -> [DMESG-WARN][45] ([i915#180])
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@kms_plane@plane-panning-bottom-right-suspend@pipe-b-planes.html

  * igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb:
    - shard-apl:          NOTRUN -> [FAIL][46] ([fdo#108145] / [i915#265]) +5 similar issues
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb.html

  * igt@kms_plane_alpha_blend@pipe-a-coverage-vs-premult-vs-constant:
    - shard-iclb:         [PASS][47] -> [SKIP][48] ([fdo#109278])
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb5/igt@kms_plane_alpha_blend@pipe-a-coverage-vs-premult-vs-constant.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb2/igt@kms_plane_alpha_blend@pipe-a-coverage-vs-premult-vs-constant.html

  * igt@kms_plane_alpha_blend@pipe-b-alpha-opaque-fb:
    - shard-skl:          NOTRUN -> [FAIL][49] ([fdo#108145] / [i915#265]) +2 similar issues
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_plane_alpha_blend@pipe-b-alpha-opaque-fb.html

  * igt@kms_psr2_sf@overlay-primary-update-sf-dmg-area-5:
    - shard-apl:          NOTRUN -> [SKIP][50] ([fdo#109271] / [i915#658]) +4 similar issues
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl3/igt@kms_psr2_sf@overlay-primary-update-sf-dmg-area-5.html

  * igt@kms_psr2_sf@plane-move-sf-dmg-area-0:
    - shard-skl:          NOTRUN -> [SKIP][51] ([fdo#109271] / [i915#658])
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl5/igt@kms_psr2_sf@plane-move-sf-dmg-area-0.html

  * igt@kms_psr@psr2_no_drrs:
    - shard-iclb:         [PASS][52] -> [SKIP][53] ([fdo#109441]) +1 similar issue
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb2/igt@kms_psr@psr2_no_drrs.html
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@kms_psr@psr2_no_drrs.html

  * igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend:
    - shard-skl:          [PASS][54] -> [INCOMPLETE][55] ([i915#198])
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl4/igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend.html
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl4/igt@kms_vblank@pipe-a-ts-continuation-dpms-suspend.html

  * igt@kms_vblank@pipe-c-ts-continuation-suspend:
    - shard-skl:          [PASS][56] -> [INCOMPLETE][57] ([i915#198] / [i915#2828]) +1 similar issue
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl7/igt@kms_vblank@pipe-c-ts-continuation-suspend.html
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl9/igt@kms_vblank@pipe-c-ts-continuation-suspend.html

  * igt@kms_writeback@writeback-pixel-formats:
    - shard-apl:          NOTRUN -> [SKIP][58] ([fdo#109271] / [i915#2437])
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@kms_writeback@writeback-pixel-formats.html

  * igt@prime_nv_test@i915_import_gtt_mmap:
    - shard-tglb:         NOTRUN -> [SKIP][59] ([fdo#109291])
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb3/igt@prime_nv_test@i915_import_gtt_mmap.html

  * igt@sysfs_clients@fair-7:
    - shard-apl:          NOTRUN -> [SKIP][60] ([fdo#109271] / [i915#2994]) +5 similar issues
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl3/igt@sysfs_clients@fair-7.html

  
#### Possible fixes ####

  * igt@gem_eio@unwedge-stress:
    - shard-tglb:         [TIMEOUT][61] ([i915#2369] / [i915#3063] / [i915#3648]) -> [PASS][62]
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-tglb2/igt@gem_eio@unwedge-stress.html
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb6/igt@gem_eio@unwedge-stress.html

  * igt@gem_exec_fair@basic-none-share@rcs0:
    - shard-iclb:         [FAIL][63] ([i915#2842]) -> [PASS][64]
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb1/igt@gem_exec_fair@basic-none-share@rcs0.html
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@gem_exec_fair@basic-none-share@rcs0.html

  * igt@gem_exec_fair@basic-pace-share@rcs0:
    - shard-glk:          [FAIL][65] ([i915#2842]) -> [PASS][66]
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-glk9/igt@gem_exec_fair@basic-pace-share@rcs0.html
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-glk3/igt@gem_exec_fair@basic-pace-share@rcs0.html

  * igt@gem_exec_fair@basic-pace@rcs0:
    - shard-kbl:          [FAIL][67] ([i915#2842]) -> [PASS][68]
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl2/igt@gem_exec_fair@basic-pace@rcs0.html
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl3/igt@gem_exec_fair@basic-pace@rcs0.html

  * igt@gem_exec_fair@basic-pace@vcs0:
    - shard-tglb:         [FAIL][69] ([i915#2842]) -> [PASS][70]
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-tglb6/igt@gem_exec_fair@basic-pace@vcs0.html
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-tglb3/igt@gem_exec_fair@basic-pace@vcs0.html

  * igt@i915_pm_dc@dc5-psr:
    - shard-iclb:         [DMESG-WARN][71] ([i915#3698]) -> [PASS][72]
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb2/igt@i915_pm_dc@dc5-psr.html
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@i915_pm_dc@dc5-psr.html

  * igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions-varying-size:
    - shard-skl:          [FAIL][73] ([i915#2346] / [i915#533]) -> [PASS][74]
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl9/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions-varying-size.html
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl6/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions-varying-size.html

  * igt@kms_flip@flip-vs-suspend@a-dp1:
    - shard-apl:          [DMESG-WARN][75] ([i915#180]) -> [PASS][76] +2 similar issues
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl7/igt@kms_flip@flip-vs-suspend@a-dp1.html
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl8/igt@kms_flip@flip-vs-suspend@a-dp1.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a:
    - shard-skl:          [INCOMPLETE][77] ([i915#198]) -> [PASS][78] +1 similar issue
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl10/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl3/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b:
    - shard-skl:          [DMESG-WARN][79] ([i915#1982]) -> [PASS][80]
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html

  * igt@kms_psr@psr2_cursor_mmap_cpu:
    - shard-iclb:         [SKIP][81] ([fdo#109441]) -> [PASS][82]
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb5/igt@kms_psr@psr2_cursor_mmap_cpu.html
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb2/igt@kms_psr@psr2_cursor_mmap_cpu.html

  * igt@perf@polling-parameterized:
    - shard-skl:          [FAIL][83] ([i915#1542]) -> [PASS][84]
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl5/igt@perf@polling-parameterized.html
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl7/igt@perf@polling-parameterized.html

  * igt@sysfs_timeslice_duration@timeout@rcs0:
    - shard-skl:          [FAIL][85] ([i915#3259]) -> [PASS][86]
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-skl2/igt@sysfs_timeslice_duration@timeout@rcs0.html
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-skl1/igt@sysfs_timeslice_duration@timeout@rcs0.html

  
#### Warnings ####

  * igt@i915_pm_rc6_residency@rc6-fence:
    - shard-iclb:         [WARN][87] ([i915#2684]) -> [WARN][88] ([i915#1804] / [i915#2684])
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb8/igt@i915_pm_rc6_residency@rc6-fence.html
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb6/igt@i915_pm_rc6_residency@rc6-fence.html

  * igt@i915_pm_rc6_residency@rc6-idle:
    - shard-iclb:         [WARN][89] ([i915#1804] / [i915#2684]) -> [WARN][90] ([i915#2684])
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb4/igt@i915_pm_rc6_residency@rc6-idle.html
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb5/igt@i915_pm_rc6_residency@rc6-idle.html

  * igt@kms_psr2_sf@plane-move-sf-dmg-area-1:
    - shard-iclb:         [SKIP][91] ([i915#2920]) -> [SKIP][92] ([i915#658])
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb2/igt@kms_psr2_sf@plane-move-sf-dmg-area-1.html
   [92]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb7/igt@kms_psr2_sf@plane-move-sf-dmg-area-1.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4:
    - shard-iclb:         [SKIP][93] ([i915#658]) -> [SKIP][94] ([i915#2920]) +1 similar issue
   [93]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb5/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4.html
   [94]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb2/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4.html

  * igt@runner@aborted:
    - shard-kbl:          ([FAIL][95], [FAIL][96]) ([i915#3002] / [i915#3363]) -> ([FAIL][97], [FAIL][98], [FAIL][99], [FAIL][100]) ([i915#180] / [i915#1814] / [i915#3002] / [i915#3363])
   [95]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl2/igt@runner@aborted.html
   [96]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-kbl7/igt@runner@aborted.html
   [97]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl7/igt@runner@aborted.html
   [98]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl7/igt@runner@aborted.html
   [99]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl3/igt@runner@aborted.html
   [100]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-kbl4/igt@runner@aborted.html
    - shard-iclb:         ([FAIL][101], [FAIL][102], [FAIL][103], [FAIL][104], [FAIL][105]) ([i915#1814] / [i915#3002] / [i915#3702]) -> ([FAIL][106], [FAIL][107], [FAIL][108], [FAIL][109]) ([i915#1814] / [i915#3002])
   [101]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb3/igt@runner@aborted.html
   [102]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb6/igt@runner@aborted.html
   [103]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb1/igt@runner@aborted.html
   [104]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb2/igt@runner@aborted.html
   [105]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-iclb1/igt@runner@aborted.html
   [106]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb3/igt@runner@aborted.html
   [107]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb6/igt@runner@aborted.html
   [108]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb1/igt@runner@aborted.html
   [109]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-iclb3/igt@runner@aborted.html
    - shard-apl:          ([FAIL][110], [FAIL][111], [FAIL][112], [FAIL][113], [FAIL][114], [FAIL][115], [FAIL][116], [FAIL][117]) ([i915#180] / [i915#3002] / [i915#3363]) -> ([FAIL][118], [FAIL][119], [FAIL][120], [FAIL][121], [FAIL][122]) ([i915#180] / [i915#1814] / [i915#3002] / [i915#3363])
   [110]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl2/igt@runner@aborted.html
   [111]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl3/igt@runner@aborted.html
   [112]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl3/igt@runner@aborted.html
   [113]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl7/igt@runner@aborted.html
   [114]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl8/igt@runner@aborted.html
   [115]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl6/igt@runner@aborted.html
   [116]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl3/igt@runner@aborted.html
   [117]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10350/shard-apl3/igt@runner@aborted.html
   [118]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@runner@aborted.html
   [119]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl8/igt@runner@aborted.html
   [120]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@runner@aborted.html
   [121]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl2/igt@runner@aborted.html
   [122]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/shard-apl1/igt@runner@aborted.html

  
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109278]: https://bugs.freedesktop.org/show_bug.cgi?id=109278
  [fdo#109279]: https://bugs.freedesktop.org/show_bug.cgi?id=109279
  [fdo#109291]: https://bugs.freedesktop.org/show_bug.cgi?id=109291
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#111825]: https://bugs.freedesktop.org/show_bug.cgi?id=111825
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1099]: https://gitlab.freedesktop.org/drm/intel/issues/1099
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#1804]: https://gitlab.freedesktop.org/drm/intel/issues/1804
  [i915#1814]: https://gitlab.freedesktop.org/drm/intel/issues/1814
  [i915#1839]: https://gitlab.freedesktop.org/drm/intel/issues/1839
  [i915#198]: https://gitlab.freedesktop.org/drm/intel/issues/198
  [i915#1982]: https://gitlab.freedesktop.org/drm/intel/issues/1982
  [i915#2122]: https://gitlab.freedesktop.org/drm/intel/issues/2122
  [i915#2346]: https://gitlab.freedesktop.org/drm/intel/issues/2346
  [i915#2369]: https://gitlab.freedesktop.org/drm/intel/issues/2369
  [i915#2437]: https://gitlab.freedesktop.org/drm/intel/issues/2437
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#2684]: https://gitlab.freedesktop.org/drm/intel/issues/2684
  [i915#2828]: https://gitlab.freedesktop.org/drm/intel/issues/2828
  [i915#2842]: https://gitlab.freedesktop.org/drm/intel/issues/2842
  [i915#2846]: https://gitlab.freedesktop.org/drm/intel/issues/2846
  [i915#2920]: https://gitlab.freedesktop.org/drm/intel/issues/2920
  [i915#2994]: https://gitlab.freedesktop.org/drm/intel/issues/2994
  [i915#3002]: https://gitlab.freedesktop.org/drm/intel/issues/3002
  [i915#3063]: https://gitlab.freedesktop.org/drm/intel/issues/3063
  [i915#3259]: https://gitlab.freedesktop.org/drm/intel/issues/3259
  [i915#3319]: https://gitlab.freedesktop.org/drm/intel/issues/3319
  [i915#3359]: https://gitlab.freedesktop.org/drm/intel/issues/3359
  [i915#3363]: https://gitlab.freedesktop.org/drm/intel/issues/3363
  [i915#3648]: https://gitlab.freedesktop.org/drm/intel/issues/3648
  [i915#3689]: https://gitlab.freedesktop.org/drm/intel/issues/3689
  [i915#3698]: https://gitlab.freedesktop.org/drm/intel/issues/3698
  [i915#3702]: https://gitlab.freedesktop.org/drm/intel/issues/3702
  [i915#3722]: https://gitlab.freedesktop.org/drm/intel/issues/3722
  [i915#3746]: https://gitlab.freedesktop.org/drm/intel/issues/3746
  [i915#3763]: https://gitlab.freedesktop.org/drm/intel/issues/3763
  [i915#3777]: https://gitlab.freedesktop.org/drm/intel/issues/3777
  [i915#533]: https://gitlab.freedesktop.org/drm/intel/issues/533
  [i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
  [i915#768]: https://gitlab.freedesktop.org/drm/intel/issues/768
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79


Participating hosts (10 -> 10)
------------------------------

  No changes in participating hosts


Build changes
-------------

  * Linux: CI_DRM_10350 -> Patchwork_20643

  CI-20190529: 20190529
  CI_DRM_10350: 0da7e60301374bc5d2d53573b061cad7f6e2959e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6144: bc65ee9ee6593716306448c9fb82c77f284f2148 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20643: f981830475f75da719fb4dc14d465fedcfb52aa3 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20643/index.html

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Re: [Intel-gfx] [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled

[Kulkarni, Vandita]

> -----Original Message-----
> From: Lee, Shawn C <shawn.c.lee@intel.com>
> Sent: Monday, July 19, 2021 12:52 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Lee, Shawn C <shawn.c.lee@intel.com>; Ville Syrjala
> <ville.syrjala@linux.intel.com>; Jani Nikula <jani.nikula@linux.intel.com>;
> Kulkarni, Vandita <vandita.kulkarni@intel.com>; Chiou, Cooper
> <cooper.chiou@intel.com>; Tseng, William <william.tseng@intel.com>
> Subject: [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled
> 
> VDSC engine can process only 1 pixel per Cd clock. In case VDSC is used and
> max slice count == 1, max supported pixel clock should be 100% of CD clock.
> Then do min_cdclk and pixel clock comparison to get proper min cdclk.
> 
> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
> Cc: Cooper Chiou <cooper.chiou@intel.com>
> Cc: William Tseng <william.tseng@intel.com>
> Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_cdclk.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c
> b/drivers/gpu/drm/i915/display/intel_cdclk.c
> index 71067a62264d..c33d574eb991 100644
> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
> @@ -2159,6 +2159,18 @@ int intel_crtc_compute_min_cdclk(const struct
> intel_crtc_state *crtc_state)
>  	/* Account for additional needs from the planes */
>  	min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk);
> 
> +	/*
> +	 * VDSC engine can process only 1 pixel per Cd clock.
> +	 * In case VDSC is used and max slice count == 1,
> +	 * max supported pixel clock should be 100% of CD clock.
> +	 * Then do min_cdclk and pixel clock comparison to get cdclk.
> +	 */
> +	if (DISPLAY_VER(dev_priv) >= 11 &&

I think you could just check for dsc enable and slice count ==1.

Also better to have a check if crtc_clock exceeds dev_priv->max_cdclk_freq in dsi_dsc compute_config as well.
and return -EINVAL .

-Vandita

> +	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
> +	    crtc_state->dsc.compression_enable &&
> +	    crtc_state->dsc.slice_count == 1)

> +		min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
> +
>  	/*
>  	 * HACK. Currently for TGL platforms we calculate
>  	 * min_cdclk initially based on pixel_rate divided
> --
> 2.17.1

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Re: [Intel-gfx] [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled

[Lee, Shawn C]

On Tue, July 19, 2021, Vandita Kulkarni <vandita.kulkarni@intel.com> wrote:
>> 
>> VDSC engine can process only 1 pixel per Cd clock. In case VDSC is 
>> used and max slice count == 1, max supported pixel clock should be 100% of CD clock.
>> Then do min_cdclk and pixel clock comparison to get proper min cdclk.
>> 
>> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
>> Cc: Jani Nikula <jani.nikula@linux.intel.com>
>> Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
>> Cc: Cooper Chiou <cooper.chiou@intel.com>
>> Cc: William Tseng <william.tseng@intel.com>
>> Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
>> ---
>>  drivers/gpu/drm/i915/display/intel_cdclk.c | 12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>> 
>> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c
>> b/drivers/gpu/drm/i915/display/intel_cdclk.c
>> index 71067a62264d..c33d574eb991 100644
>> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
>> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
>> @@ -2159,6 +2159,18 @@ int intel_crtc_compute_min_cdclk(const struct 
>> intel_crtc_state *crtc_state)
>>  /* Account for additional needs from the planes */  min_cdclk = 
>> max(intel_planes_min_cdclk(crtc_state), min_cdclk);
>> 
>> +/*
>> + * VDSC engine can process only 1 pixel per Cd clock.
>> + * In case VDSC is used and max slice count == 1,
>> + * max supported pixel clock should be 100% of CD clock.
>> + * Then do min_cdclk and pixel clock comparison to get cdclk.
>> + */
>> +if (DISPLAY_VER(dev_priv) >= 11 &&
>
>I think you could just check for dsc enable and slice count ==1.
>

DP and eDP would apply the same thing if dsc enabled and sink's dsc slice count ==1.
Is that right?

>Also better to have a check if crtc_clock exceeds dev_priv->max_cdclk_freq in dsi_dsc compute_config as well.
>and return -EINVAL .
>
>-Vandita
>

We should have this checking in dsi_dsc_compute_config() just like DP driver did. What do you think?

	if (adjusted_mode->crtc_clock > dev_priv->max_cdclk_freq ||
	    pipe_config->bigjoiner) {
		if (pipe_config->dsc.slice_count < 2) {
			drm_dbg_kms(&dev_priv->drm,
				    "Cannot split stream to use 2 VDSC instances\n");
			return -EINVAL;
		}

		pipe_config->dsc.dsc_split = true;
	}

Best regards,
Shawn

>> +    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
>> +    crtc_state->dsc.compression_enable &&
>> +    crtc_state->dsc.slice_count == 1)
>
>> +min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
>> +
>>  /*
>>   * HACK. Currently for TGL platforms we calculate
>>   * min_cdclk initially based on pixel_rate divided
>> --
>> 2.17.1
>
>
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Re: [Intel-gfx] [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled

[Kulkarni, Vandita]

> -----Original Message-----
> From: Lee, Shawn C <shawn.c.lee@intel.com>
> Sent: Tuesday, July 20, 2021 8:01 PM
> To: Kulkarni, Vandita <vandita.kulkarni@intel.com>; intel-
> gfx@lists.freedesktop.org
> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>; Jani Nikula
> <jani.nikula@linux.intel.com>; Chiou, Cooper <cooper.chiou@intel.com>;
> Tseng, William <william.tseng@intel.com>
> Subject: RE: [PATCH 5/5] drm/i915: Get proper min cdclk if vDSC enabled
> 
> 
> On Tue, July 19, 2021, Vandita Kulkarni <vandita.kulkarni@intel.com> wrote:
> >>
> >> VDSC engine can process only 1 pixel per Cd clock. In case VDSC is
> >> used and max slice count == 1, max supported pixel clock should be 100%
> of CD clock.
> >> Then do min_cdclk and pixel clock comparison to get proper min cdclk.
> >>
> >> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
> >> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> >> Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
> >> Cc: Cooper Chiou <cooper.chiou@intel.com>
> >> Cc: William Tseng <william.tseng@intel.com>
> >> Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
> >> ---
> >>  drivers/gpu/drm/i915/display/intel_cdclk.c | 12 ++++++++++++
> >>  1 file changed, 12 insertions(+)
> >>
> >> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c
> >> b/drivers/gpu/drm/i915/display/intel_cdclk.c
> >> index 71067a62264d..c33d574eb991 100644
> >> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
> >> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
> >> @@ -2159,6 +2159,18 @@ int intel_crtc_compute_min_cdclk(const struct
> >> intel_crtc_state *crtc_state)
> >>  /* Account for additional needs from the planes */  min_cdclk =
> >> max(intel_planes_min_cdclk(crtc_state), min_cdclk);
> >>
> >> +/*
> >> + * VDSC engine can process only 1 pixel per Cd clock.
> >> + * In case VDSC is used and max slice count == 1,
> >> + * max supported pixel clock should be 100% of CD clock.
> >> + * Then do min_cdclk and pixel clock comparison to get cdclk.
> >> + */
> >> +if (DISPLAY_VER(dev_priv) >= 11 &&
> >
> >I think you could just check for dsc enable and slice count ==1.
> >
> 
> DP and eDP would apply the same thing if dsc enabled and sink's dsc slice
> count ==1.
> Is that right?
Yes.
> 
> >Also better to have a check if crtc_clock exceeds dev_priv->max_cdclk_freq
> in dsi_dsc compute_config as well.
> >and return -EINVAL .
> >
> >-Vandita
Since we do not have bigjoiner support on dsi yet and the check wrt max_cdclk_freq
is taken care in intel_crtc_compute_config. I think you can leave this for now.
You do not need this clock check again in dsi_compute_config

-Vandita
> >
> 
> We should have this checking in dsi_dsc_compute_config() just like DP driver
> did. What do you think?
> 
> 	if (adjusted_mode->crtc_clock > dev_priv->max_cdclk_freq ||
> 	    pipe_config->bigjoiner) {
> 		if (pipe_config->dsc.slice_count < 2) {
> 			drm_dbg_kms(&dev_priv->drm,
> 				    "Cannot split stream to use 2 VDSC
> instances\n");
> 			return -EINVAL;
> 		}
> 
> 		pipe_config->dsc.dsc_split = true;
> 	}
> 
> Best regards,
> Shawn
> 
> >> +    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
> >> +    crtc_state->dsc.compression_enable &&
> >> +    crtc_state->dsc.slice_count == 1)
> >
> >> +min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
> >> +
> >>  /*
> >>   * HACK. Currently for TGL platforms we calculate
> >>   * min_cdclk initially based on pixel_rate divided
> >> --
> >> 2.17.1
> >
> >

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[Intel-gfx] [PATCH v2 0/5] MIPI DSI driver enhancements

[Lee Shawn C]

v2:
- Check for dsc enable and slice count ==1 then allow to
  double confirm min cdclk value.
- Add more checking in dsi_dsc_compute_config() to avoid
  crtc_clock exceeds dev_priv->max_cdclk_freq.

Lee Shawn C (5):
  drm/i915/dsi: send correct gpio_number on gen11 platform
  drm/i915/jsl: program DSI panel GPIOs
  drm/i915/dsi: wait for header and payload credit available
  drm/i915/dsi: refine send MIPI DCS command sequence
  drm/i915: Get proper min cdclk if vDSC enabled

 drivers/gpu/drm/i915/display/icl_dsi.c       | 68 ++++++++++++--------
 drivers/gpu/drm/i915/display/intel_cdclk.c   | 10 +++
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 46 ++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h              | 10 +++
 4 files changed, 106 insertions(+), 28 deletions(-)

-- 
2.17.1

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[Intel-gfx] [PATCH v2 1/5] drm/i915/dsi: send correct gpio_number on gen11 platform

[Lee Shawn C]

Transfer "gpio_nunmber" instead of "gpio_index" while doing
gpio configuration in icl_exec_gpio().

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index c2a2cd1f84dc..cc93e045a425 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -381,7 +381,7 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 	value = *data++ & 1;
 
 	if (DISPLAY_VER(dev_priv) >= 11)
-		icl_exec_gpio(dev_priv, gpio_source, gpio_index, value);
+		icl_exec_gpio(dev_priv, gpio_source, gpio_number, value);
 	else if (IS_VALLEYVIEW(dev_priv))
 		vlv_exec_gpio(dev_priv, gpio_source, gpio_number, value);
 	else if (IS_CHERRYVIEW(dev_priv))
-- 
2.17.1

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[Intel-gfx] [PATCH v2 2/5] drm/i915/jsl: program DSI panel GPIOs

[Lee Shawn C]

DSI driver should have its own implementation to toggle
gpio pins based on GPIO info coming from VBT sequences.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 44 +++++++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h              | 10 +++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index cc93e045a425..dd03e5629ba6 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -43,6 +43,7 @@
 #include "intel_display_types.h"
 #include "intel_dsi.h"
 #include "intel_sideband.h"
+#include "intel_de.h"
 
 #define MIPI_TRANSFER_MODE_SHIFT	0
 #define MIPI_VIRTUAL_CHANNEL_SHIFT	1
@@ -354,7 +355,48 @@ static void bxt_exec_gpio(struct drm_i915_private *dev_priv,
 static void icl_exec_gpio(struct drm_i915_private *dev_priv,
 			  u8 gpio_source, u8 gpio_index, bool value)
 {
-	drm_dbg_kms(&dev_priv->drm, "Skipping ICL GPIO element execution\n");
+	u32 val;
+
+	switch (gpio_index) {
+	case ICL_GPIO_L_VDDEN_1:
+		val = intel_de_read(dev_priv, ICP_PP_CONTROL(1));
+		if (value)
+			val |= PWR_STATE_TARGET;
+		else
+			val &= ~PWR_STATE_TARGET;
+		intel_de_write(dev_priv, ICP_PP_CONTROL(1), val);
+		break;
+	case ICL_GPIO_L_BKLTEN_1:
+		val = intel_de_read(dev_priv, ICP_PP_CONTROL(1));
+		if (value)
+			val |= BACKLIGHT_ENABLE;
+		else
+			val &= ~BACKLIGHT_ENABLE;
+		intel_de_write(dev_priv, ICP_PP_CONTROL(1), val);
+		break;
+	case ICL_GPIO_DDPA_CTRLCLK_1:
+		val = intel_de_read(dev_priv, GPIO(1));
+		if (value)
+			val |= GPIO_CLOCK_VAL_OUT;
+		else
+			val &= ~GPIO_CLOCK_VAL_OUT;
+		val |= GPIO_CLOCK_DIR_MASK | GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_VAL_MASK;
+		intel_de_write(dev_priv, GPIO(1), val);
+		break;
+	case ICL_GPIO_DDPA_CTRLDATA_1:
+		val = intel_de_read(dev_priv, GPIO(1));
+		if (value)
+			val |= GPIO_DATA_VAL_OUT;
+		else
+			val &= ~GPIO_DATA_VAL_OUT;
+		val |= GPIO_DATA_DIR_MASK | GPIO_DATA_DIR_OUT | GPIO_DATA_VAL_MASK;
+		intel_de_write(dev_priv, GPIO(1), val);
+		break;
+	default:
+		/* TODO: Add support for remaining GPIOs */
+		DRM_ERROR("Invalid GPIO number (%d) from VBT\n", gpio_index);
+		break;
+	}
 }
 
 static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 943fe485c662..b725234e0e9c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5143,6 +5143,16 @@ enum {
 #define _PP_STATUS			0x61200
 #define PP_STATUS(pps_idx)		_MMIO_PPS(pps_idx, _PP_STATUS)
 #define   PP_ON				REG_BIT(31)
+
+#define _PP_CONTROL_1			0xc7204
+#define _PP_CONTROL_2			0xc7304
+#define ICP_PP_CONTROL(x)		_MMIO(((x) == 1) ? _PP_CONTROL_1 : \
+					      _PP_CONTROL_2)
+#define  POWER_CYCLE_DELAY_MASK		REG_GENMASK(8, 4)
+#define  VDD_OVERRIDE_FORCE		REG_BIT(3)
+#define  BACKLIGHT_ENABLE		REG_BIT(2)
+#define  PWR_DOWN_ON_RESET		REG_BIT(1)
+#define  PWR_STATE_TARGET		REG_BIT(0)
 /*
  * Indicates that all dependencies of the panel are on:
  *
-- 
2.17.1

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[Intel-gfx] [PATCH v2 3/5] drm/i915/dsi: wait for header and payload credit available

[Lee Shawn C]

Driver should wait for free header or payload buffer in FIFO.
It would be good to wait a while for HW to release credit before
give it up to write to HW. Without sending initailize command
sets completely. It would caused MIPI display can't light up properly.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 40 ++++++++++++--------------
 1 file changed, 19 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 43ec7fcd3f5d..1780830d9909 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -54,20 +54,28 @@ static int payload_credits_available(struct drm_i915_private *dev_priv,
 		>> FREE_PLOAD_CREDIT_SHIFT;
 }
 
-static void wait_for_header_credits(struct drm_i915_private *dev_priv,
-				    enum transcoder dsi_trans)
+static bool wait_for_header_credits(struct drm_i915_private *dev_priv,
+				    enum transcoder dsi_trans, int hdr_credit)
 {
 	if (wait_for_us(header_credits_available(dev_priv, dsi_trans) >=
-			MAX_HEADER_CREDIT, 100))
+			hdr_credit, 100)) {
 		drm_err(&dev_priv->drm, "DSI header credits not released\n");
+		return false;
+	}
+
+	return true;
 }
 
-static void wait_for_payload_credits(struct drm_i915_private *dev_priv,
-				     enum transcoder dsi_trans)
+static bool wait_for_payload_credits(struct drm_i915_private *dev_priv,
+				     enum transcoder dsi_trans, int payld_credit)
 {
 	if (wait_for_us(payload_credits_available(dev_priv, dsi_trans) >=
-			MAX_PLOAD_CREDIT, 100))
+			payld_credit, 100)) {
 		drm_err(&dev_priv->drm, "DSI payload credits not released\n");
+		return false;
+	}
+
+	return true;
 }
 
 static enum transcoder dsi_port_to_transcoder(enum port port)
@@ -90,8 +98,8 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder)
 	/* wait for header/payload credits to be released */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		dsi_trans = dsi_port_to_transcoder(port);
-		wait_for_header_credits(dev_priv, dsi_trans);
-		wait_for_payload_credits(dev_priv, dsi_trans);
+		wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT);
+		wait_for_payload_credits(dev_priv, dsi_trans, MAX_PLOAD_CREDIT);
 	}
 
 	/* send nop DCS command */
@@ -108,7 +116,7 @@ static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder)
 	/* wait for header credits to be released */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		dsi_trans = dsi_port_to_transcoder(port);
-		wait_for_header_credits(dev_priv, dsi_trans);
+		wait_for_header_credits(dev_priv, dsi_trans, MAX_HEADER_CREDIT);
 	}
 
 	/* wait for LP TX in progress bit to be cleared */
@@ -126,18 +134,13 @@ static bool add_payld_to_queue(struct intel_dsi_host *host, const u8 *data,
 	struct intel_dsi *intel_dsi = host->intel_dsi;
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	enum transcoder dsi_trans = dsi_port_to_transcoder(host->port);
-	int free_credits;
 	int i, j;
 
 	for (i = 0; i < len; i += 4) {
 		u32 tmp = 0;
 
-		free_credits = payload_credits_available(dev_priv, dsi_trans);
-		if (free_credits < 1) {
-			drm_err(&dev_priv->drm,
-				"Payload credit not available\n");
+		if (!wait_for_payload_credits(dev_priv, dsi_trans, 1))
 			return false;
-		}
 
 		for (j = 0; j < min_t(u32, len - i, 4); j++)
 			tmp |= *data++ << 8 * j;
@@ -155,15 +158,10 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	enum transcoder dsi_trans = dsi_port_to_transcoder(host->port);
 	u32 tmp;
-	int free_credits;
 
 	/* check if header credit available */
-	free_credits = header_credits_available(dev_priv, dsi_trans);
-	if (free_credits < 1) {
-		drm_err(&dev_priv->drm,
-			"send pkt header failed, not enough hdr credits\n");
+	if (!wait_for_header_credits(dev_priv, dsi_trans, 1))
 		return -1;
-	}
 
 	tmp = intel_de_read(dev_priv, DSI_CMD_TXHDR(dsi_trans));
 
-- 
2.17.1

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[Intel-gfx] [PATCH v2 4/5] drm/i915/dsi: refine send MIPI DCS command sequence

[Lee Shawn C]

According to chapter "Sending Commands to the Panel" in bspec #29738
and #49188. If driver try to send DCS long pakcet, we have to program
TX payload register at first. And configure TX header HW register later.
DSC long packet would not be sent properly if we don't follow this
sequence.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 1780830d9909..60413bbf565f 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1807,11 +1807,6 @@ static ssize_t gen11_dsi_host_transfer(struct mipi_dsi_host *host,
 	if (msg->flags & MIPI_DSI_MSG_USE_LPM)
 		enable_lpdt = true;
 
-	/* send packet header */
-	ret  = dsi_send_pkt_hdr(intel_dsi_host, dsi_pkt, enable_lpdt);
-	if (ret < 0)
-		return ret;
-
 	/* only long packet contains payload */
 	if (mipi_dsi_packet_format_is_long(msg->type)) {
 		ret = dsi_send_pkt_payld(intel_dsi_host, dsi_pkt);
@@ -1819,6 +1814,11 @@ static ssize_t gen11_dsi_host_transfer(struct mipi_dsi_host *host,
 			return ret;
 	}
 
+	/* send packet header */
+	ret  = dsi_send_pkt_hdr(intel_dsi_host, dsi_pkt, enable_lpdt);
+	if (ret < 0)
+		return ret;
+
 	//TODO: add payload receive code if needed
 
 	ret = sizeof(dsi_pkt.header) + dsi_pkt.payload_length;
-- 
2.17.1

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[Intel-gfx] [PATCH v2 5/5] drm/i915: Get proper min cdclk if vDSC enabled

[Lee Shawn C]

VDSC engine can process only 1 pixel per Cd clock. In case
VDSC is used and max slice count == 1, max supported pixel
clock should be 100% of CD clock. Then do min_cdclk and
pixel clock comparison to get proper min cdclk.

v2:
- Check for dsc enable and slice count ==1 then allow to
  double confirm min cdclk value.
- Add more checking in dsi_dsc_compute_config() to avoid
  crtc_clock exceeds dev_priv->max_cdclk_freq.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
 drivers/gpu/drm/i915/display/icl_dsi.c     | 18 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_cdclk.c | 10 ++++++++++
 2 files changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 60413bbf565f..c51ba3b9051e 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1592,6 +1592,8 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
+	const struct drm_display_mode *adjusted_mode =
+		&crtc_state->hw.adjusted_mode;
 	int dsc_max_bpc = DISPLAY_VER(dev_priv) >= 12 ? 12 : 10;
 	bool use_dsc;
 	int ret;
@@ -1612,6 +1614,22 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
 	/* FIXME: initialize from VBT */
 	vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
 
+	/*
+	 * VDSC engine operates at 1 Pixel per clock, so if peak pixel rate
+	 * is greater than the maximum Cdclock and if slice count is even
+	 * then we need to use 2 VDSC instances.
+	 */
+	if (adjusted_mode->crtc_clock > dev_priv->max_cdclk_freq ||
+	    crtc_state->bigjoiner) {
+		if (crtc_state->dsc.slice_count < 2) {
+			drm_dbg_kms(&dev_priv->drm,
+				    "Cannot split stream to use 2 VDSC instances\n");
+			return -EINVAL;
+		}
+
+		crtc_state->dsc.dsc_split = true;
+	}
+
 	ret = intel_dsc_compute_params(encoder, crtc_state);
 	if (ret)
 		return ret;
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 71067a62264d..3e09f6370d27 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2159,6 +2159,16 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
 	/* Account for additional needs from the planes */
 	min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk);
 
+	/*
+	 * VDSC engine can process only 1 pixel per Cd clock.
+	 * In case VDSC is used and max slice count == 1,
+	 * max supported pixel clock should be 100% of CD clock.
+	 * Then do min_cdclk and pixel clock comparison to get cdclk.
+	 */
+	if (crtc_state->dsc.compression_enable &&
+	    crtc_state->dsc.slice_count == 1)
+		min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
+
 	/*
 	 * HACK. Currently for TGL platforms we calculate
 	 * min_cdclk initially based on pixel_rate divided
-- 
2.17.1

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