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drm/amdgpu: fix SI UVD firmware validate resume fail

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The SI UVD firmware validate key is stored at the end of firmware,
which is changed during resume while playing video. So get the key
at sw_init and store it for fw validate using.

Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Sonny Jiang 2020-11-06 16:42:47 -05:00 committed by Alex Deucher
parent 7acc79eb5f
commit 4d6a953661
2 changed files with 12 additions and 9 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
View File

@ -67,6 +67,7 @@ struct amdgpu_uvd {
unsigned harvest_config;
/* store image width to adjust nb memory state */
unsigned decode_image_width;
uint32_t keyselect;
};
int amdgpu_uvd_sw_init(struct amdgpu_device *adev);

20
drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
View File

@ -277,15 +277,8 @@ static void uvd_v3_1_mc_resume(struct amdgpu_device *adev)
*/
static int uvd_v3_1_fw_validate(struct amdgpu_device *adev)
{
void *ptr;
uint32_t ucode_len, i;
uint32_t keysel;
ptr = adev->uvd.inst[0].cpu_addr;
ptr += 192 + 16;
memcpy(&ucode_len, ptr, 4);
ptr += ucode_len;
memcpy(&keysel, ptr, 4);
int i;
uint32_t keysel = adev->uvd.keyselect;
WREG32(mmUVD_FW_START, keysel);
@ -550,6 +543,8 @@ static int uvd_v3_1_sw_init(void *handle)
struct amdgpu_ring *ring;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
void *ptr;
uint32_t ucode_len;
/* UVD TRAP */
r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 124, &adev->uvd.inst->irq);
@ -560,6 +555,13 @@ static int uvd_v3_1_sw_init(void *handle)
if (r)
return r;
/* Retrieval firmware validate key */
ptr = adev->uvd.inst[0].cpu_addr;
ptr += 192 + 16;
memcpy(&ucode_len, ptr, 4);
ptr += ucode_len;
memcpy(&adev->uvd.keyselect, ptr, 4);
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0,