[PATCH 4/6] drm/amdgpu: enable uvd bypass mode for CI/VI.

[Rex Zhu]

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 25 ++++++++++++++++++++++---
 drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 18 ++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c |  9 ++++-----
 3 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 3c2dce6..8f9c7d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -36,6 +36,9 @@
 
 #include "bif/bif_4_1_d.h"
 
+#include "smu/smu_7_0_1_d.h"
+#include "smu/smu_7_0_1_sh_mask.h"
+
 static void uvd_v4_2_mc_resume(struct amdgpu_device *adev);
 static void uvd_v4_2_init_cg(struct amdgpu_device *adev);
 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev);
@@ -683,18 +686,34 @@ static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev,
 	return 0;
 }
 
+static void uvd_v5_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
+{
+	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
+
+	if (enable)
+		tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
+			GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
+	else
+		tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
+			 GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
+
+	WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
+}
+
 static int uvd_v4_2_set_clockgating_state(void *handle,
 					  enum amd_clockgating_state state)
 {
 	bool gate = false;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
-		return 0;
-
 	if (state == AMD_CG_STATE_GATE)
 		gate = true;
 
+	uvd_v5_0_set_bypass_mode(adev, gate);
+
+	if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
+		return 0;
+
 	uvd_v4_2_enable_mgcg(adev, gate);
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index 05088ec..95303e2 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -33,6 +33,8 @@
 #include "oss/oss_2_0_sh_mask.h"
 #include "bif/bif_5_0_d.h"
 #include "vi.h"
+#include "smu/smu_7_1_2_d.h"
+#include "smu/smu_7_1_2_sh_mask.h"
 
 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev);
 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev);
@@ -722,6 +724,20 @@ static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev)
 }
 #endif
 
+static void uvd_v5_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
+{
+	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
+
+	if (enable)
+		tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
+			GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
+	else
+		tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
+			 GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
+
+	WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
+}
+
 static int uvd_v5_0_set_clockgating_state(void *handle,
 					  enum amd_clockgating_state state)
 {
@@ -729,6 +745,8 @@ static int uvd_v5_0_set_clockgating_state(void *handle,
 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
 	static int curstate = -1;
 
+	uvd_v5_0_set_bypass_mode(adev, enable);
+
 	if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
 		return 0;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 2e2baa6..a339b5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -935,7 +935,7 @@ static void uvd_v6_0_set_hw_clock_gating(struct amdgpu_device *adev)
 }
 #endif
 
-static void uvd_v6_set_bypass_mode(struct amdgpu_device *adev, bool enable)
+static void uvd_v6_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
 {
 	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
 
@@ -953,15 +953,14 @@ static int uvd_v6_0_set_clockgating_state(void *handle,
 					  enum amd_clockgating_state state)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
 
-	if (adev->asic_type == CHIP_FIJI ||
-	    adev->asic_type == CHIP_POLARIS10)
-		uvd_v6_set_bypass_mode(adev, state == AMD_CG_STATE_GATE ? true : false);
+	uvd_v6_0_set_bypass_mode(adev, enable);
 
 	if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
 		return 0;
 
-	if (state == AMD_CG_STATE_GATE) {
+	if (enable) {
 		/* disable HW gating and enable Sw gating */
 		uvd_v6_0_set_sw_clock_gating(adev);
 	} else {
-- 
1.9.1