Commit 8e16695b authored by James Zhu's avatar James Zhu Committed by Alex Deucher

drm/amdgpu/vcn:Fix uninitialized symbol error

ret_code should be initialized with 0. The check of read/write
ptr should be activate when UVD_POWER_STATUS_TILES is off.
Signed-off-by: default avatarJames Zhu <James.Zhu@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d344b21b
...@@ -1165,14 +1165,14 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev) ...@@ -1165,14 +1165,14 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev) static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
{ {
int ret_code; int ret_code = 0;
/* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */ /* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF, UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code); UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
if (ret_code) { if (!ret_code) {
int tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF; int tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
/* wait for read ptr to be equal to write ptr */ /* wait for read ptr to be equal to write ptr */
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code); SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment