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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0947-drm-amdgpu-vcn-Update-ring-point-to-JPEG-before-init.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0947-drm-amdgpu-vcn-Update-ring-point-to-JPEG-before-init.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0947-drm-amdgpu-vcn-Update-ring-point-to-JPEG-before-init.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0947-drm-amdgpu-vcn-Update-ring-point-to-JPEG-before-init.patch
new file mode 100644
index 00000000..00a8c1dd
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0947-drm-amdgpu-vcn-Update-ring-point-to-JPEG-before-init.patch
@@ -0,0 +1,32 @@
+From e65e870537e516ca5996945ce3383658ac95b3fd Mon Sep 17 00:00:00 2001
+From: James Zhu <James.Zhu@amd.com>
+Date: Wed, 12 Dec 2018 14:48:33 -0500
+Subject: [PATCH 0947/2940] drm/amdgpu/vcn:Update ring point to JPEG before
+ init JPEG wptr
+
+It is a bug fix.
+
+Signed-off-by: James Zhu <James.Zhu@amd.com>
+Acked-by: Leo Liu <leo.liu@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+index 775204315888..5df6ea9e87e0 100644
+--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+@@ -1088,7 +1088,8 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
+ ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
+
+- /* initialize wptr */
++ /* initialize JPEG wptr */
++ ring = &adev->vcn.ring_jpeg;
+ ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
+
+ /* copy patch commands to the jpeg ring */
+--
+2.17.1
+