From: Gaurav K Singh <gaurav.k.singh@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>
Cc: rakshmi.bhatia@intel.com
Subject: [PATCH 1/4] drm/i915: Enable dual link mode in BXT
Date: Wed, 16 Sep 2015 14:48:38 +0530 [thread overview]
Message-ID: <1442395121-19251-2-git-send-email-gaurav.k.singh@intel.com> (raw)
In-Reply-To: <1442395121-19251-1-git-send-email-gaurav.k.singh@intel.com>
Enable BIT 0 of MIPI Port Ctrl reg to enable dual link mode.
Signed-off-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 7 ++++---
drivers/gpu/drm/i915/intel_dsi.c | 9 ++++++---
2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1ea4686..4e5c0bb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7581,17 +7581,17 @@ enum skl_disp_power_wells {
/* BXT MIPI mode configure */
#define _BXT_MIPIA_TRANS_HACTIVE 0x6B0F8
#define _BXT_MIPIC_TRANS_HACTIVE 0x6B8F8
-#define BXT_MIPI_TRANS_HACTIVE(tc) _MIPI_PORT(tc, \
+#define BXT_MIPI_TRANS_HACTIVE(port) _MIPI_PORT(port, \
_BXT_MIPIA_TRANS_HACTIVE, _BXT_MIPIC_TRANS_HACTIVE)
#define _BXT_MIPIA_TRANS_VACTIVE 0x6B0FC
#define _BXT_MIPIC_TRANS_VACTIVE 0x6B8FC
-#define BXT_MIPI_TRANS_VACTIVE(tc) _MIPI_PORT(tc, \
+#define BXT_MIPI_TRANS_VACTIVE(port) _MIPI_PORT(port, \
_BXT_MIPIA_TRANS_VACTIVE, _BXT_MIPIC_TRANS_VACTIVE)
#define _BXT_MIPIA_TRANS_VTOTAL 0x6B100
#define _BXT_MIPIC_TRANS_VTOTAL 0x6B900
-#define BXT_MIPI_TRANS_VTOTAL(tc) _MIPI_PORT(tc, \
+#define BXT_MIPI_TRANS_VTOTAL(port) _MIPI_PORT(port, \
_BXT_MIPIA_TRANS_VTOTAL, _BXT_MIPIC_TRANS_VTOTAL)
#define BXT_DSI_PLL_CTL 0x161000
@@ -7665,6 +7665,7 @@ enum skl_disp_power_wells {
#define LANE_CONFIGURATION_4LANE (0 << 0)
#define LANE_CONFIGURATION_DUAL_LINK_A (1 << 0)
#define LANE_CONFIGURATION_DUAL_LINK_B (2 << 0)
+#define LANE_CONFIGURATION_DUAL_LINK_ENABLE (1 << 0)
#define _MIPIA_TEARING_CTRL (VLV_DISPLAY_BASE + 0x61194)
#define _MIPIC_TEARING_CTRL (VLV_DISPLAY_BASE + 0x61704)
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 2ccbda5..ec7e48b 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -400,9 +400,12 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder)
if (intel_dsi->ports == ((1 << PORT_A) | (1 << PORT_C))) {
temp |= (intel_dsi->dual_link - 1)
<< DUAL_LINK_MODE_SHIFT;
- temp |= intel_crtc->pipe ?
- LANE_CONFIGURATION_DUAL_LINK_B :
- LANE_CONFIGURATION_DUAL_LINK_A;
+ if (IS_VALLEYVIEW(dev))
+ temp |= intel_crtc->pipe ?
+ LANE_CONFIGURATION_DUAL_LINK_B :
+ LANE_CONFIGURATION_DUAL_LINK_A;
+ else if (IS_BROXTON(dev))
+ temp |= LANE_CONFIGURATION_DUAL_LINK_ENABLE;
}
/* assert ip_tg_enable signal */
I915_WRITE(port_ctrl, temp | DPI_ENABLE);
--
1.7.9.5
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next prev parent reply other threads:[~2015-09-16 9:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-16 9:18 [PATCH 0/4] DSI Dual link enabling on BXT Gaurav K Singh
2015-09-16 9:18 ` Gaurav K Singh [this message]
2015-09-16 13:00 ` [PATCH 1/4] drm/i915: Enable dual link mode in BXT Ville Syrjälä
2015-09-16 9:18 ` [PATCH 2/4] drm/i915: Use adjusted mode clk for calculating DSI clk Gaurav K Singh
2015-09-16 13:10 ` Ville Syrjälä
2015-09-16 9:18 ` [PATCH 3/4] drm/i915: Execute RESET sequence before device ready Gaurav K Singh
2015-09-16 9:18 ` [PATCH 4/4] drm/i915: Program vactive & hactive display size for both ports Gaurav K Singh
2015-09-16 13:15 ` Ville Syrjälä
2015-09-16 13:21 ` [PATCH 0/4] DSI Dual link enabling on BXT Ville Syrjälä
2015-09-23 5:59 ` Singh, Gaurav K
2015-11-23 8:15 ` Jani Nikula
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