Attachment 54488 Details for Bug 23899 – drm/i915: Fix TV Out refresh rate.

[patch] drm/i915: Fix TV Out refresh rate.

0001-drm-i915-Fix-TV-Out-refresh-rate.patch (text/plain), 2.66 KB, created by Rodrigo Vivi on 2011-12-16 04:14:29 UTC

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Creator: Rodrigo Vivi

Created: 2011-12-16 04:14:29 UTC

Size: 2.66 KB

patch

obsolete

>From e2bf833785107aa87d6b2e01bed877b1f445de9e Mon Sep 17 00:00:00 2001
>From: Rodrigo Vivi <rodrigo.vivi@gmail.com>
>Date: Wed, 14 Dec 2011 19:40:03 -0200
>Subject: [PATCH 1/3] drm/i915: Fix TV Out refresh rate.
>
>TV Out refresh rate was half of the specification for almost all modes.
>Due to this reason pixel clock was so low for some modes causing flickering screen.
>
>Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
>---
> drivers/gpu/drm/i915/intel_tv.c |   16 ++++++++--------
> 1 files changed, 8 insertions(+), 8 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
>index f3c6a9a..2b1fcad 100644
>--- a/drivers/gpu/drm/i915/intel_tv.c
>+++ b/drivers/gpu/drm/i915/intel_tv.c
>@@ -417,7 +417,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name		= "NTSC-M",
> 		.clock		= 108000,
>-		.refresh	= 29970,
>+		.refresh	= 59940,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
>@@ -460,7 +460,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name		= "NTSC-443",
> 		.clock		= 108000,
>-		.refresh	= 29970,
>+		.refresh	= 59940,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
>@@ -502,7 +502,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name		= "NTSC-J",
> 		.clock		= 108000,
>-		.refresh	= 29970,
>+		.refresh	= 59940,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 
>@@ -545,7 +545,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name		= "PAL-M",
> 		.clock		= 108000,
>-		.refresh	= 29970,
>+		.refresh	= 59940,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 
>@@ -589,7 +589,7 @@ static const struct tv_mode tv_modes[] = {
> 		/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
> 		.name	    = "PAL-N",
> 		.clock		= 108000,
>-		.refresh	= 25000,
>+		.refresh	= 50000,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 
>@@ -634,7 +634,7 @@ static const struct tv_mode tv_modes[] = {
> 		/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
> 		.name	    = "PAL",
> 		.clock		= 108000,
>-		.refresh	= 25000,
>+		.refresh	= 50000,
> 		.oversample	= TV_OVERSAMPLE_8X,
> 		.component_only = 0,
> 
>@@ -821,7 +821,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name       = "1080i@50Hz",
> 		.clock		= 148800,
>-		.refresh	= 25000,
>+		.refresh	= 50000,
> 		.oversample     = TV_OVERSAMPLE_2X,
> 		.component_only = 1,
> 
>@@ -847,7 +847,7 @@ static const struct tv_mode tv_modes[] = {
> 	{
> 		.name       = "1080i@60Hz",
> 		.clock		= 148800,
>-		.refresh	= 30000,
>+		.refresh	= 60000,
> 		.oversample     = TV_OVERSAMPLE_2X,
> 		.component_only = 1,
> 
>-- 
>1.7.7.4
>

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