Registers that can be fetched from the info ioctl.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/evergreen.c | 28 ++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/evergreend.h | 1 +
drivers/gpu/drm/radeon/radeon_asic.c | 3 +++
drivers/gpu/drm/radeon/radeon_asic.h | 2 ++
4 files changed, 34 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index c09e40a..298b048 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1005,6 +1005,34 @@ static void evergreen_init_golden_registers(struct radeon_device *rdev)
}
}
+/**
+ * evergreen_get_allowed_info_register - fetch the register for the info ioctl
+ *
+ * @rdev: radeon_device pointer
+ * @reg: register offset in bytes
+ * @val: register value
+ *
+ * Returns 0 for success or -EINVAL for an invalid register
+ *
+ */
+int evergreen_get_allowed_info_register(struct radeon_device *rdev,
+ u32 reg, u32 *val)
+{
+ switch (reg) {
+ case GRBM_STATUS:
+ case GRBM_STATUS_SE0:
+ case GRBM_STATUS_SE1:
+ case SRBM_STATUS:
+ case SRBM_STATUS2:
+ case DMA_STATUS_REG:
+ case UVD_STATUS:
+ *val = RREG32(reg);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
unsigned *bankh, unsigned *mtaspect,
unsigned *tile_split)
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index b066d67..9d283d7 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -1515,6 +1515,7 @@
#define UVD_UDEC_DBW_ADDR_CONFIG 0xef54
#define UVD_RBC_RB_RPTR 0xf690
#define UVD_RBC_RB_WPTR 0xf694
+#define UVD_STATUS 0xf6bc
/*
* PM4
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index f0101a4..48ae90d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1328,6 +1328,7 @@ static struct radeon_asic evergreen_asic = {
.mc_wait_for_idle = &evergreen_mc_wait_for_idle,
.get_xclk = &rv770_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = evergreen_get_allowed_info_register,
.gart = {
.tlb_flush = &evergreen_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
@@ -1422,6 +1423,7 @@ static struct radeon_asic sumo_asic = {
.mc_wait_for_idle = &evergreen_mc_wait_for_idle,
.get_xclk = &r600_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = evergreen_get_allowed_info_register,
.gart = {
.tlb_flush = &evergreen_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
@@ -1515,6 +1517,7 @@ static struct radeon_asic btc_asic = {
.mc_wait_for_idle = &evergreen_mc_wait_for_idle,
.get_xclk = &rv770_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = evergreen_get_allowed_info_register,
.gart = {
.tlb_flush = &evergreen_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 5bf508f..6fdcdb3 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -552,6 +552,8 @@ struct radeon_fence *evergreen_copy_dma(struct radeon_device *rdev,
void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
int evergreen_get_temp(struct radeon_device *rdev);
+int evergreen_get_allowed_info_register(struct radeon_device *rdev,
+ u32 reg, u32 *val);
int sumo_get_temp(struct radeon_device *rdev);
int tn_get_temp(struct radeon_device *rdev);
int cypress_dpm_init(struct radeon_device *rdev);
--
1.8.3.1
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