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authorAaron Liu <aaron.liu@amd.com>2019-08-09 10:34:40 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-08-22 17:37:05 -0500
commit97222cfac7740ba93c2c17f15db5d7184c6ab836 (patch)
tree9cbacd69b98304dd9d64a3f7b6be58cbf25f2a3b /drivers/gpu/drm/amd/powerplay/smu_v12_0.c
parent5dbbe6a77d189954287b524988b994bfda75efd6 (diff)
drm/amdgpu/powerplay: add power up/down SDMA interfaces for renoir
1.Implement PowerUpSDMA/PowerDownSDMA interfaces in the swSMU for renoir 2.adjust smu ip block ahead of gfx&sdma ip block Signed-off-by: Aaron Liu <aaron.liu@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v12_0.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smu_v12_0.c35
1 files changed, 31 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
index fdafa2306c29..cba8507a02af 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
@@ -101,7 +101,6 @@ static int
smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
uint32_t param)
{
-
struct amdgpu_device *adev = smu->adev;
int ret = 0, index = 0;
@@ -128,27 +127,55 @@ smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
return ret;
}
+static int smu_v12_0_check_fw_status(struct smu_context *smu)
+{
+ struct amdgpu_device *adev = smu->adev;
+ uint32_t mp1_fw_flags;
+
+ mp1_fw_flags = RREG32_PCIE(MP1_Public |
+ (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
+
+ if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)
+ return 0;
+
+ return -EIO;
+}
+
static int smu_v12_0_check_fw_version(struct smu_context *smu)
{
- uint32_t smu_version = 0xff;
+ uint32_t smc_if_version = 0xff;
int ret = 0;
ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
if (ret)
goto err;
- ret = smu_read_smc_arg(smu, &smu_version);
+ ret = smu_read_smc_arg(smu, &smc_if_version);
if (ret)
goto err;
- if (smu_version != smu->smc_if_version)
+ if (smc_if_version != smu->smc_if_version)
ret = -EINVAL;
err:
return ret;
}
+static int smu_v12_0_powergate_sdma(struct smu_context *smu, bool gate)
+{
+ if (!(smu->adev->flags & AMD_IS_APU))
+ return 0;
+
+ if (gate)
+ return smu_send_smc_msg(smu, SMU_MSG_PowerDownSdma);
+ else
+ return smu_send_smc_msg(smu, SMU_MSG_PowerUpSdma);
+}
+
static const struct smu_funcs smu_v12_0_funcs = {
+ .check_fw_status = smu_v12_0_check_fw_status,
.check_fw_version = smu_v12_0_check_fw_version,
+ .powergate_sdma = smu_v12_0_powergate_sdma,
.send_smc_msg = smu_v12_0_send_msg,
.send_smc_msg_with_param = smu_v12_0_send_msg_with_param,
.read_smc_arg = smu_v12_0_read_arg,