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authorAlex Deucher <alexander.deucher@amd.com>2013-08-22 17:09:06 -0400
committerChristian König <christian.koenig@amd.com>2014-02-18 16:11:35 +0100
commit5ad6bf91ef8fd265aee252982a7d6fcf78436153 (patch)
tree2bc7ef1b06b498fea3ba864f5d2eb5019f67a1a7 /drivers/gpu/drm
parent58bd2a88facbdf3c39db0f834111cd4294400814 (diff)
downloadop-kernel-dev-5ad6bf91ef8fd265aee252982a7d6fcf78436153.zip
op-kernel-dev-5ad6bf91ef8fd265aee252982a7d6fcf78436153.tar.gz
drm/radeon: fill in set_vce_clocks for CIK asics
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/cik.c35
-rw-r--r--drivers/gpu/drm/radeon/cikd.h6
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h1
4 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index be6eb4d..ecb16b1 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -8925,6 +8925,41 @@ int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
return r;
}
+int cik_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
+{
+ int r, i;
+ struct atom_clock_dividers dividers;
+ u32 tmp;
+
+ r = radeon_atom_get_clock_dividers(rdev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ ecclk, false, &dividers);
+ if (r)
+ return r;
+
+ for (i = 0; i < 100; i++) {
+ if (RREG32_SMC(CG_ECLK_STATUS) & ECLK_STATUS)
+ break;
+ mdelay(10);
+ }
+ if (i == 100)
+ return -ETIMEDOUT;
+
+ tmp = RREG32_SMC(CG_ECLK_CNTL);
+ tmp &= ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK);
+ tmp |= dividers.post_divider;
+ WREG32_SMC(CG_ECLK_CNTL, tmp);
+
+ for (i = 0; i < 100; i++) {
+ if (RREG32_SMC(CG_ECLK_STATUS) & ECLK_STATUS)
+ break;
+ mdelay(10);
+ }
+ if (i == 100)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
static void cik_pcie_gen3_enable(struct radeon_device *rdev)
{
struct pci_dev *root = rdev->pdev->bus->self;
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index 459ae02..ee16380 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -203,6 +203,12 @@
#define CTF_TEMP_MASK 0x0003fe00
#define CTF_TEMP_SHIFT 9
+#define CG_ECLK_CNTL 0xC05000AC
+# define ECLK_DIVIDER_MASK 0x7f
+# define ECLK_DIR_CNTL_EN (1 << 8)
+#define CG_ECLK_STATUS 0xC05000B0
+# define ECLK_STATUS (1 << 0)
+
#define CG_SPLL_FUNC_CNTL 0xC0500140
#define SPLL_RESET (1 << 0)
#define SPLL_PWRON (1 << 1)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 4f059b2..b8a24a7 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2076,6 +2076,7 @@ static struct radeon_asic ci_asic = {
.set_pcie_lanes = NULL,
.set_clock_gating = NULL,
.set_uvd_clocks = &cik_set_uvd_clocks,
+ .set_vce_clocks = &cik_set_vce_clocks,
.get_temperature = &ci_get_temp,
},
.dpm = {
@@ -2180,6 +2181,7 @@ static struct radeon_asic kv_asic = {
.set_pcie_lanes = NULL,
.set_clock_gating = NULL,
.set_uvd_clocks = &cik_set_uvd_clocks,
+ .set_vce_clocks = &cik_set_vce_clocks,
.get_temperature = &kv_get_temp,
},
.dpm = {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 13f87bf..3d55a3a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -717,6 +717,7 @@ u32 cik_get_xclk(struct radeon_device *rdev);
uint32_t cik_pciep_rreg(struct radeon_device *rdev, uint32_t reg);
void cik_pciep_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
+int cik_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk);
void cik_sdma_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence);
bool cik_sdma_semaphore_ring_emit(struct radeon_device *rdev,
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