drm/amd/powerplay: fix request smc_sk firmware case

This patch fixes firmware request error on polaris protection mode.
Because we need load smc_sk instead of smc under security protection
mode.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Tested-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index af65c24..d0e8710 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -713,6 +713,7 @@ static int amdgpu_cgs_rel_firmware(struct cgs_device *cgs_device, enum cgs_ucode
        CGS_FUNC_ADEV;
        if ((CGS_UCODE_ID_SMU == type) || (CGS_UCODE_ID_SMU_SK == type)) {
                release_firmware(adev->pm.fw);
+               adev->pm.fw = NULL;
                return 0;
        }
        /* cannot release other firmware because they are not created by cgs */
@@ -808,6 +809,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
                const uint8_t *src;
                const struct smc_firmware_header_v1_0 *hdr;
 
+               if (CGS_UCODE_ID_SMU_SK == type)
+                       amdgpu_cgs_rel_firmware(cgs_device, CGS_UCODE_ID_SMU);
+
                if (!adev->pm.fw) {
                        switch (adev->asic_type) {
                        case CHIP_TOPAZ: