Attachment 131982 Details for Bug 101387 – possible fix

[patch] possible fix

0001-drm-amdgpu-atom-fix-ps-allocation-size-for-EnableDis.patch (text/plain), 1.52 KB, created by Alex Deucher on 2017-06-15 15:03:09 UTC

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Creator: Alex Deucher

Created: 2017-06-15 15:03:09 UTC

Size: 1.52 KB

patch

obsolete

>From 6b4aa22067a3191e41174ea903a0be2bd21c697e Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 15 Jun 2017 10:55:11 -0400
>Subject: [PATCH] drm/amdgpu/atom: fix ps allocation size for
> EnableDispPowerGating
>
>We were uisng the wrong structure which lead to an overflow
>on some boards.
>
>bug: https://bugs.freedesktop.org/show_bug.cgi?id=101387
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/amd/amdgpu/atombios_crtc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c
>index 8c9bc75..8a0818b 100644
>--- a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c
>+++ b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c
>@@ -165,7 +165,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state)
> 	struct drm_device *dev = crtc->dev;
> 	struct amdgpu_device *adev = dev->dev_private;
> 	int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
>-	ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
>+	ENABLE_DISP_POWER_GATING_PS_ALLOCATION args;
> 
> 	memset(&args, 0, sizeof(args));
> 
>@@ -178,7 +178,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state)
> void amdgpu_atombios_crtc_powergate_init(struct amdgpu_device *adev)
> {
> 	int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
>-	ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
>+	ENABLE_DISP_POWER_GATING_PS_ALLOCATION args;
> 
> 	memset(&args, 0, sizeof(args));
> 
>-- 
>2.5.5
>

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