drm/amdgpu:Add DPG mode read/write macro

Some registers read/write needs program through SDRAM pool under
DPG mode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
index f5d602540673015c5e12390d9adce39cb24994dc..d35fac5b5a8a19c39f03dc4d10dcc4228ff176c2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
@@ -64,6 +64,26 @@
                }                                               \
        } while (0)
 
+#define RREG32_SOC15_DPG_MODE(ip, inst, reg, mask, sram_sel)   \
+               ({ WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask); \
+                       WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL,       \
+                               UVD_DPG_LMA_CTL__MASK_EN_MASK |                         \
+                               ((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) \
+                               << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) | \
+                               (sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT));        \
+                       RREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA); })
+
+#define WREG32_SOC15_DPG_MODE(ip, inst, reg, value, mask, sram_sel)    \
+       do {                                                    \
+               WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_DATA, value);      \
+               WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_MASK, mask);               \
+               WREG32_SOC15(ip, inst, mmUVD_DPG_LMA_CTL,       \
+                       UVD_DPG_LMA_CTL__READ_WRITE_MASK |      \
+                       ((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) \
+                       << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT) |   \
+                       (sram_sel << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); \
+       } while (0)
+
 #endif