All of lore.kernel.org
 help / color / mirror / Atom feed
From: Paulo Zanoni <przanoni@gmail.com>
To: intel-gfx@lists.freedesktop.org
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: [PATCH 07/18] drm/i915: convert DDI_FUNC_CTL to transcoder
Date: Tue, 23 Oct 2012 18:29:57 -0200	[thread overview]
Message-ID: <1351024208-3489-8-git-send-email-przanoni@gmail.com> (raw)
In-Reply-To: <1351024208-3489-1-git-send-email-przanoni@gmail.com>

From: Paulo Zanoni <paulo.r.zanoni@intel.com>

Because there's one instance of the register per CPU transcoder and
not per CPU pipe. This is another register that appeared for the first
time on Haswell, and even though its Haswell name is
PIPE_DDI_FUNC_CTL, it will be renamed to TRANS_DDI_FUNC_CTL, so let's
just use the new naming scheme before it confuses more people.

Notice that there's a big improvement on intel_ddi_get_hw_state due to
the new TRANSCODER_EDP.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h      |  59 ++++++++++----------
 drivers/gpu/drm/i915/intel_ddi.c     | 101 ++++++++++++++++++++++-------------
 drivers/gpu/drm/i915/intel_display.c |   9 ++--
 drivers/gpu/drm/i915/intel_drv.h     |   4 +-
 4 files changed, 104 insertions(+), 69 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 99cda88..2628524 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4399,34 +4399,39 @@
 #define HSW_PWR_WELL_CTL6			0x45414
 
 /* Per-pipe DDI Function Control */
-#define PIPE_DDI_FUNC_CTL_A		0x60400
-#define PIPE_DDI_FUNC_CTL_B		0x61400
-#define PIPE_DDI_FUNC_CTL_C		0x62400
-#define PIPE_DDI_FUNC_CTL_EDP		0x6F400
-#define DDI_FUNC_CTL(pipe) _PIPE(pipe, PIPE_DDI_FUNC_CTL_A, \
-				       PIPE_DDI_FUNC_CTL_B)
-#define  PIPE_DDI_FUNC_ENABLE		(1<<31)
+#define TRANS_DDI_FUNC_CTL_A		0x60400
+#define TRANS_DDI_FUNC_CTL_B		0x61400
+#define TRANS_DDI_FUNC_CTL_C		0x62400
+#define TRANS_DDI_FUNC_CTL_EDP		0x6F400
+#define DDI_FUNC_CTL(tran) _TRANSCODER(tran, TRANS_DDI_FUNC_CTL_A, \
+					     TRANS_DDI_FUNC_CTL_B)
+#define  TRANS_DDI_FUNC_ENABLE		(1<<31)
 /* Those bits are ignored by pipe EDP since it can only connect to DDI A */
-#define  PIPE_DDI_PORT_MASK		(7<<28)
-#define  PIPE_DDI_SELECT_PORT(x)	((x)<<28)
-#define  PIPE_DDI_PORT_NONE		(0<<28)
-#define  PIPE_DDI_MODE_SELECT_MASK	(7<<24)
-#define  PIPE_DDI_MODE_SELECT_HDMI	(0<<24)
-#define  PIPE_DDI_MODE_SELECT_DVI	(1<<24)
-#define  PIPE_DDI_MODE_SELECT_DP_SST	(2<<24)
-#define  PIPE_DDI_MODE_SELECT_DP_MST	(3<<24)
-#define  PIPE_DDI_MODE_SELECT_FDI	(4<<24)
-#define  PIPE_DDI_BPC_MASK		(7<<20)
-#define  PIPE_DDI_BPC_8			(0<<20)
-#define  PIPE_DDI_BPC_10		(1<<20)
-#define  PIPE_DDI_BPC_6			(2<<20)
-#define  PIPE_DDI_BPC_12		(3<<20)
-#define  PIPE_DDI_PVSYNC		(1<<17)
-#define  PIPE_DDI_PHSYNC		(1<<16)
-#define  PIPE_DDI_BFI_ENABLE		(1<<4)
-#define  PIPE_DDI_PORT_WIDTH_X1		(0<<1)
-#define  PIPE_DDI_PORT_WIDTH_X2		(1<<1)
-#define  PIPE_DDI_PORT_WIDTH_X4		(3<<1)
+#define  TRANS_DDI_PORT_MASK		(7<<28)
+#define  TRANS_DDI_SELECT_PORT(x)	((x)<<28)
+#define  TRANS_DDI_PORT_NONE		(0<<28)
+#define  TRANS_DDI_MODE_SELECT_MASK	(7<<24)
+#define  TRANS_DDI_MODE_SELECT_HDMI	(0<<24)
+#define  TRANS_DDI_MODE_SELECT_DVI	(1<<24)
+#define  TRANS_DDI_MODE_SELECT_DP_SST	(2<<24)
+#define  TRANS_DDI_MODE_SELECT_DP_MST	(3<<24)
+#define  TRANS_DDI_MODE_SELECT_FDI	(4<<24)
+#define  TRANS_DDI_BPC_MASK		(7<<20)
+#define  TRANS_DDI_BPC_8		(0<<20)
+#define  TRANS_DDI_BPC_10		(1<<20)
+#define  TRANS_DDI_BPC_6		(2<<20)
+#define  TRANS_DDI_BPC_12		(3<<20)
+#define  TRANS_DDI_PVSYNC		(1<<17)
+#define  TRANS_DDI_PHSYNC		(1<<16)
+#define  TRANS_DDI_EDP_INPUT_MASK	(7<<12)
+#define  TRANS_DDI_EDP_INPUT_A_ON	(0<<12)
+#define  TRANS_DDI_EDP_INPUT_A_ONOFF	(4<<12)
+#define  TRANS_DDI_EDP_INPUT_B_ONOFF	(5<<12)
+#define  TRANS_DDI_EDP_INPUT_C_ONOFF	(6<<12)
+#define  TRANS_DDI_BFI_ENABLE		(1<<4)
+#define  TRANS_DDI_PORT_WIDTH_X1	(0<<1)
+#define  TRANS_DDI_PORT_WIDTH_X2	(1<<1)
+#define  TRANS_DDI_PORT_WIDTH_X4	(3<<1)
 
 /* DisplayPort Transport Control */
 #define DP_TP_CTL_A			0x64040
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index f568862..93e0374 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -924,68 +924,69 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
 	struct drm_encoder *encoder = &intel_encoder->base;
 	struct drm_i915_private *dev_priv = crtc->dev->dev_private;
 	enum pipe pipe = intel_crtc->pipe;
+	enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
 	int type = intel_encoder->type;
 	uint32_t temp;
 
-	/* Enable PIPE_DDI_FUNC_CTL for the pipe to work in HDMI mode */
-	temp = PIPE_DDI_FUNC_ENABLE;
+	/* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */
+	temp = TRANS_DDI_FUNC_ENABLE;
 
 	switch (intel_crtc->bpp) {
 	case 18:
-		temp |= PIPE_DDI_BPC_6;
+		temp |= TRANS_DDI_BPC_6;
 		break;
 	case 24:
-		temp |= PIPE_DDI_BPC_8;
+		temp |= TRANS_DDI_BPC_8;
 		break;
 	case 30:
-		temp |= PIPE_DDI_BPC_10;
+		temp |= TRANS_DDI_BPC_10;
 		break;
 	case 36:
-		temp |= PIPE_DDI_BPC_12;
+		temp |= TRANS_DDI_BPC_12;
 		break;
 	default:
-		WARN(1, "%d bpp unsupported by pipe DDI function\n",
+		WARN(1, "%d bpp unsupported by transcoder DDI function\n",
 		     intel_crtc->bpp);
 	}
 
 	if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
-		temp |= PIPE_DDI_PVSYNC;
+		temp |= TRANS_DDI_PVSYNC;
 	if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
-		temp |= PIPE_DDI_PHSYNC;
+		temp |= TRANS_DDI_PHSYNC;
 
 	if (type == INTEL_OUTPUT_HDMI) {
 		struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 
 		if (intel_hdmi->has_hdmi_sink)
-			temp |= PIPE_DDI_MODE_SELECT_HDMI;
+			temp |= TRANS_DDI_MODE_SELECT_HDMI;
 		else
-			temp |= PIPE_DDI_MODE_SELECT_DVI;
+			temp |= TRANS_DDI_MODE_SELECT_DVI;
 
-		temp |= PIPE_DDI_SELECT_PORT(intel_hdmi->ddi_port);
+		temp |= TRANS_DDI_SELECT_PORT(intel_hdmi->ddi_port);
 
 	} else if (type == INTEL_OUTPUT_ANALOG) {
-		temp |= PIPE_DDI_MODE_SELECT_FDI;
-		temp |= PIPE_DDI_SELECT_PORT(PORT_E);
+		temp |= TRANS_DDI_MODE_SELECT_FDI;
+		temp |= TRANS_DDI_SELECT_PORT(PORT_E);
 
 	} else if (type == INTEL_OUTPUT_DISPLAYPORT ||
 		   type == INTEL_OUTPUT_EDP) {
 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
-		temp |= PIPE_DDI_MODE_SELECT_DP_SST;
-		temp |= PIPE_DDI_SELECT_PORT(intel_dp->port);
+		temp |= TRANS_DDI_MODE_SELECT_DP_SST;
+		temp |= TRANS_DDI_SELECT_PORT(intel_dp->port);
 
 		switch (intel_dp->lane_count) {
 		case 1:
-			temp |= PIPE_DDI_PORT_WIDTH_X1;
+			temp |= TRANS_DDI_PORT_WIDTH_X1;
 			break;
 		case 2:
-			temp |= PIPE_DDI_PORT_WIDTH_X2;
+			temp |= TRANS_DDI_PORT_WIDTH_X2;
 			break;
 		case 4:
-			temp |= PIPE_DDI_PORT_WIDTH_X4;
+			temp |= TRANS_DDI_PORT_WIDTH_X4;
 			break;
 		default:
-			temp |= PIPE_DDI_PORT_WIDTH_X4;
+			temp |= TRANS_DDI_PORT_WIDTH_X4;
 			WARN(1, "Unsupported lane count %d\n",
 			     intel_dp->lane_count);
 		}
@@ -995,17 +996,17 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
 		     intel_encoder->type, pipe);
 	}
 
-	I915_WRITE(DDI_FUNC_CTL(pipe), temp);
+	I915_WRITE(DDI_FUNC_CTL(cpu_transcoder), temp);
 }
 
-void intel_ddi_disable_pipe_func(struct drm_i915_private *dev_priv,
-				 enum pipe pipe)
+void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
+				       enum transcoder cpu_transcoder)
 {
-	uint32_t reg = DDI_FUNC_CTL(pipe);
+	uint32_t reg = DDI_FUNC_CTL(cpu_transcoder);
 	uint32_t val = I915_READ(reg);
 
-	val &= ~(PIPE_DDI_FUNC_ENABLE | PIPE_DDI_PORT_MASK);
-	val |= PIPE_DDI_PORT_NONE;
+	val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK);
+	val |= TRANS_DDI_PORT_NONE;
 	I915_WRITE(reg, val);
 }
 
@@ -1023,13 +1024,32 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
 	if (!(tmp & DDI_BUF_CTL_ENABLE))
 		return false;
 
-	for_each_pipe(i) {
-		tmp = I915_READ(DDI_FUNC_CTL(i));
+	if (port == PORT_A) {
+		tmp = I915_READ(DDI_FUNC_CTL(TRANSCODER_EDP));
 
-		if ((tmp & PIPE_DDI_PORT_MASK)
-		    == PIPE_DDI_SELECT_PORT(port)) {
-			*pipe = i;
-			return true;
+		switch (tmp & TRANS_DDI_EDP_INPUT_MASK) {
+		case TRANS_DDI_EDP_INPUT_A_ON:
+		case TRANS_DDI_EDP_INPUT_A_ONOFF:
+			*pipe = PIPE_A;
+			break;
+		case TRANS_DDI_EDP_INPUT_B_ONOFF:
+			*pipe = PIPE_B;
+			break;
+		case TRANS_DDI_EDP_INPUT_C_ONOFF:
+			*pipe = PIPE_C;
+			break;
+		}
+
+		return true;
+	} else {
+		for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) {
+			tmp = I915_READ(DDI_FUNC_CTL(i));
+
+			if ((tmp & TRANS_DDI_PORT_MASK)
+			    == TRANS_DDI_SELECT_PORT(port)) {
+				*pipe = i;
+				return true;
+			}
 		}
 	}
 
@@ -1043,13 +1063,20 @@ static uint32_t intel_ddi_get_crtc_pll(struct drm_i915_private *dev_priv,
 {
 	uint32_t temp, ret;
 	enum port port;
+	enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
+								      pipe);
 	int i;
 
-	temp = I915_READ(DDI_FUNC_CTL(pipe));
-	temp &= PIPE_DDI_PORT_MASK;
-	for (i = PORT_A; i <= PORT_E; i++)
-		if (temp == PIPE_DDI_SELECT_PORT(i))
-			port = i;
+	if (cpu_transcoder == TRANSCODER_EDP) {
+		port = PORT_A;
+	} else {
+		temp = I915_READ(DDI_FUNC_CTL(cpu_transcoder));
+		temp &= TRANS_DDI_PORT_MASK;
+
+		for (i = PORT_B; i <= PORT_E; i++)
+			if (temp == TRANS_DDI_SELECT_PORT(i))
+				port = i;
+	}
 
 	ret = I915_READ(PORT_CLK_SEL(port));
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 214ff5a..d63da7b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1122,12 +1122,14 @@ static void assert_fdi_tx(struct drm_i915_private *dev_priv,
 	int reg;
 	u32 val;
 	bool cur_state;
+	enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
+								      pipe);
 
 	if (IS_HASWELL(dev_priv->dev)) {
 		/* On Haswell, DDI is used instead of FDI_TX_CTL */
-		reg = DDI_FUNC_CTL(pipe);
+		reg = DDI_FUNC_CTL(cpu_transcoder);
 		val = I915_READ(reg);
-		cur_state = !!(val & PIPE_DDI_FUNC_ENABLE);
+		cur_state = !!(val & TRANS_DDI_FUNC_ENABLE);
 	} else {
 		reg = FDI_TX_CTL(pipe);
 		val = I915_READ(reg);
@@ -3438,6 +3440,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 	struct intel_encoder *encoder;
 	int pipe = intel_crtc->pipe;
 	int plane = intel_crtc->plane;
+	enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
 	bool is_pch_port;
 
 	if (!intel_crtc->active)
@@ -3459,7 +3462,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 
 	intel_disable_pipe(dev_priv, pipe);
 
-	intel_ddi_disable_pipe_func(dev_priv, pipe);
+	intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
 
 	/* Disable PF */
 	I915_WRITE(PF_CTL(pipe), 0);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 14484ef..65927d9 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -611,8 +611,8 @@ extern void intel_ddi_mode_set(struct drm_encoder *encoder,
 				struct drm_display_mode *adjusted_mode);
 extern void intel_ddi_pll_init(struct drm_device *dev);
 extern void intel_ddi_enable_pipe_func(struct drm_crtc *crtc);
-extern void intel_ddi_disable_pipe_func(struct drm_i915_private *dev_priv,
-					enum pipe pipe);
+extern void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
+					      enum transcoder cpu_transcoder);
 extern void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc);
 extern void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);
 extern void intel_ddi_setup_hw_pll_state(struct drm_device *dev);
-- 
1.7.11.4

  parent reply	other threads:[~2012-10-23 20:30 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-23 20:29 [PATCH 00/18] Haswell eDP enablement v3 Paulo Zanoni
2012-10-23 20:29 ` [PATCH 01/18] drm/i915: fork a Haswell version of ironlake_crtc_{enable, disable} Paulo Zanoni
2012-10-24 13:15   ` Rodrigo Vivi
2012-10-25 11:03   ` Jani Nikula
2012-10-23 20:29 ` [PATCH 02/18] drm/i915: fix the checks inside Ironlake/Haswell crtc enable/disable Paulo Zanoni
2012-10-24 13:18   ` Rodrigo Vivi
2012-10-24 13:31   ` Paulo Zanoni
2012-10-23 20:29 ` [PATCH 03/18] drm/i915: simplify intel_crtc_driving_pch Paulo Zanoni
2012-10-25 11:13   ` Jani Nikula
2012-10-25 12:04     ` Paulo Zanoni
2012-10-25 12:37   ` Paulo Zanoni
2012-10-23 20:29 ` [PATCH 04/18] drm/i915: don't call Haswell PCH code when we can't or don't need Paulo Zanoni
2012-10-25 12:18   ` Jani Nikula
2012-10-23 20:29 ` [PATCH 05/18] drm/i915: add TRANSCODER_EDP Paulo Zanoni
2012-10-24 14:50   ` Lespiau, Damien
2012-10-24 16:33     ` Paulo Zanoni
2012-10-24 16:43       ` Daniel Vetter
2012-10-24 17:59   ` Paulo Zanoni
2012-10-25 10:23     ` Lespiau, Damien
2012-10-23 20:29 ` [PATCH 06/18] drm/i915: convert PIPE_CLK_SEL to transcoder Paulo Zanoni
2012-10-24 14:55   ` Lespiau, Damien
2012-10-23 20:29 ` Paulo Zanoni [this message]
2012-10-24 15:12   ` [PATCH 07/18] drm/i915: convert DDI_FUNC_CTL " Lespiau, Damien
2012-10-24 15:30   ` Lespiau, Damien
2012-10-24 16:44     ` Paulo Zanoni
2012-10-24 18:06   ` Paulo Zanoni
2012-10-25 10:24     ` Lespiau, Damien
2012-10-23 20:29 ` [PATCH 08/18] drm/i915: check TRANSCODER_EDP on intel_modeset_setup_hw_state Paulo Zanoni
2012-10-24 12:38   ` Daniel Vetter
2012-10-24 15:45     ` Lespiau, Damien
2012-10-24 15:50       ` Daniel Vetter
2012-10-24 18:09   ` Paulo Zanoni
2012-10-25 10:26     ` Lespiau, Damien
2012-10-23 20:29 ` [PATCH 09/18] drm/i915: convert PIPECONF to use transcoder instead of pipe Paulo Zanoni
2012-10-25 11:12   ` Lespiau, Damien
2012-10-23 20:30 ` [PATCH 10/18] drm/i915: convert PIPE_MSA_MISC to transcoder Paulo Zanoni
2012-10-25 11:09   ` Lespiau, Damien
2012-10-23 20:30 ` [PATCH 11/18] drm/i915: convert CPU M/N timings " Paulo Zanoni
2012-10-25 11:10   ` Lespiau, Damien
2012-10-23 20:30 ` [PATCH 12/18] drm/i915: convert pipe timing definitions " Paulo Zanoni
2012-10-25 11:12   ` Lespiau, Damien
2012-10-23 20:30 ` [PATCH 13/18] drm/i915: implement workaround for VTOTAL when using TRANSCODER_EDP Paulo Zanoni
2012-10-23 20:44   ` Daniel Vetter
2012-10-24 13:34   ` Paulo Zanoni
2012-10-24 15:24     ` Rodrigo Vivi
2012-10-23 20:30 ` [PATCH 14/18] drm/i915: select the correct pipe " Paulo Zanoni
2012-10-24 13:58   ` Rodrigo Vivi
2012-10-23 20:30 ` [PATCH 15/18] drm/i915: set the correct eDP aux channel clock divider on DDI Paulo Zanoni
2012-10-24 14:07   ` Rodrigo Vivi
2012-10-23 20:30 ` [PATCH 16/18] drm/i915: set/unset the DDI eDP backlight Paulo Zanoni
2012-10-24 14:11   ` Rodrigo Vivi
2012-10-24 14:22   ` Daniel Vetter
2012-10-24 14:43     ` Paulo Zanoni
2012-10-23 20:30 ` [PATCH 17/18] drm/i915: turn the eDP DDI panel on/off Paulo Zanoni
2012-10-24 15:20   ` Rodrigo Vivi
2012-10-23 20:30 ` [PATCH 18/18] drm/i915: enable DDI eDP Paulo Zanoni
2012-10-24 14:24   ` Rodrigo Vivi
2012-10-25 20:17     ` Daniel Vetter
2012-10-24 13:31 ` [PATCH 02-1/18] drm/i915: fix checks inside ironlake_crtc_{enable, disable} Paulo Zanoni
2012-10-24 13:32   ` [PATCH 02-2/18] drm/i915: fix checks inside haswell_crtc_{enable, disable} Paulo Zanoni
2012-10-25 11:07     ` Jani Nikula
2012-10-25 11:04   ` [PATCH 02-1/18] drm/i915: fix checks inside ironlake_crtc_{enable, disable} Jani Nikula

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1351024208-3489-8-git-send-email-przanoni@gmail.com \
    --to=przanoni@gmail.com \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=paulo.r.zanoni@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.