[PATCH] drm/i915/skl: Update the DDI translation values for DP/eDP 1.3

[PATCH] drm/i915/skl: Update the DDI translation values for DP/eDP 1.3

[Damien Lespiau]

Hardware team updated the recommended translation values for DP/eDP 1.3.
This should help with some stability and HBR2 issues.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index e6b45cd..4e2e860 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -128,15 +128,15 @@ static const struct ddi_buf_trans bdw_ddi_translations_hdmi[] = {
 };
 
 static const struct ddi_buf_trans skl_ddi_translations_dp[] = {
-	{ 0x00000018, 0x000000a0 },
-	{ 0x00004014, 0x00000098 },
+	{ 0x00000018, 0x000000a2 },
+	{ 0x00004014, 0x0000009B },
 	{ 0x00006012, 0x00000088 },
-	{ 0x00008010, 0x00000080 },
-	{ 0x00000018, 0x00000098 },
+	{ 0x00008010, 0x00000087 },
+	{ 0x00000018, 0x0000009B },
 	{ 0x00004014, 0x00000088 },
-	{ 0x00006012, 0x00000080 },
+	{ 0x00006012, 0x00000087 },
 	{ 0x00000018, 0x00000088 },
-	{ 0x00004014, 0x00000080 },
+	{ 0x00004014, 0x00000087 },
 };
 
 static const struct ddi_buf_trans skl_ddi_translations_hdmi[] = {
-- 
1.8.3.1

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Re: [PATCH] drm/i915/skl: Update the DDI translation values for DP/eDP 1.3

[M, Satheeshakrishna]

On 11/26/2014 7:07 PM, Damien Lespiau wrote:
> Hardware team updated the recommended translation values for DP/eDP 1.3.
> This should help with some stability and HBR2 issues.
>
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_ddi.c | 12 ++++++------
>   1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index e6b45cd..4e2e860 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -128,15 +128,15 @@ static const struct ddi_buf_trans bdw_ddi_translations_hdmi[] = {
>   };
>   
>   static const struct ddi_buf_trans skl_ddi_translations_dp[] = {
> -	{ 0x00000018, 0x000000a0 },
> -	{ 0x00004014, 0x00000098 },
> +	{ 0x00000018, 0x000000a2 },
> +	{ 0x00004014, 0x0000009B },
>   	{ 0x00006012, 0x00000088 },
> -	{ 0x00008010, 0x00000080 },
> -	{ 0x00000018, 0x00000098 },
> +	{ 0x00008010, 0x00000087 },
> +	{ 0x00000018, 0x0000009B },
>   	{ 0x00004014, 0x00000088 },
> -	{ 0x00006012, 0x00000080 },
> +	{ 0x00006012, 0x00000087 },
>   	{ 0x00000018, 0x00000088 },
> -	{ 0x00004014, 0x00000080 },
> +	{ 0x00004014, 0x00000087 },
>   };
>   
>   static const struct ddi_buf_trans skl_ddi_translations_hdmi[] = {
Reviewed-by: Satheeshakrishna M<satheeshakrishna.m@intel.com>
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Re: [PATCH] drm/i915/skl: Update the DDI translation values

[shuang.he]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  366/366              366/366
ILK                 -2              371/371              369/371
SNB                                  450/450              450/450
IVB                                  498/498              498/498
BYT                                  289/289              289/289
HSW                                  564/564              564/564
BDW                 -2              417/417              415/417
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
 ILK  igt_gem_reset_stats_close-pending-fork-render      TIMEOUT(24, M37M26)PASS(1, M26)      TIMEOUT(1, M37)
 ILK  igt_kms_flip_vblank-vs-hang      TIMEOUT(23, M37M26)PASS(1, M26)      TIMEOUT(1, M37)
 BDW  igt_gem_render_linear_blits      TIMEOUT(2, M30)PASS(1, M28)      TIMEOUT(1, M30)
 BDW  igt_gem_render_tiled_blits      TIMEOUT(1, M30)PASS(1, M28)      TIMEOUT(1, M30)
Note: You need to pay more attention to line start with '*'
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