drm/amdgpu: fix SI UVD firmware validate resume fail

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
index 5eb6328..edbb819 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -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);

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
index 7cf4b11..3a5dce6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
@@ -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,