diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0151-amdgpu-dce11-Add-test-for-crtc-0-to-various-DCEv11-f.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0151-amdgpu-dce11-Add-test-for-crtc-0-to-various-DCEv11-f.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0151-amdgpu-dce11-Add-test-for-crtc-0-to-various-DCEv11-f.patch b/common/recipes-kernel/linux/files/0151-amdgpu-dce11-Add-test-for-crtc-0-to-various-DCEv11-f.patch new file mode 100644 index 00000000..29c8ce54 --- /dev/null +++ b/common/recipes-kernel/linux/files/0151-amdgpu-dce11-Add-test-for-crtc-0-to-various-DCEv11-f.patch @@ -0,0 +1,57 @@ +From 6f0803b38e7683b4fd2ac427bba91a99d1557f18 Mon Sep 17 00:00:00 2001 +From: Tom St Denis <tom.stdenis@amd.com> +Date: Tue, 15 Dec 2015 13:03:43 -0500 +Subject: [PATCH 0151/1110] amdgpu/dce11: Add test for crtc < 0 to various + DCEv11 functions + +To be consistent with other DCE11 functions test for crtc < 0. + +Signed-off-by: Tom St Denis <tom.stdenis@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +index 80be62a..8e67249 100644 +--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +@@ -213,7 +213,7 @@ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) + { + unsigned i = 100; + +- if (crtc >= adev->mode_info.num_crtc) ++ if (crtc < 0 || crtc >= adev->mode_info.num_crtc) + return; + + if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK)) +@@ -241,7 +241,7 @@ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) + + static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) + { +- if (crtc >= adev->mode_info.num_crtc) ++ if (crtc < 0 || crtc >= adev->mode_info.num_crtc) + return 0; + else + return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); +@@ -3386,7 +3386,7 @@ static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, + { + u32 tmp; + +- if (crtc >= adev->mode_info.num_crtc) { ++ if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { + DRM_DEBUG("invalid crtc %d\n", crtc); + return; + } +@@ -3401,7 +3401,7 @@ static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, + { + u32 tmp; + +- if (crtc >= adev->mode_info.num_crtc) { ++ if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { + DRM_DEBUG("invalid crtc %d\n", crtc); + return; + } +-- +2.7.4 + |