Registers that can be fetched from the info ioctl.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/r600.c | 26 ++++++++++++++++++++++++++
drivers/gpu/drm/radeon/radeon_asic.c | 4 ++++
drivers/gpu/drm/radeon/radeon_asic.h | 2 ++
3 files changed, 32 insertions(+)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 25f367a..5bf7860 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -108,6 +108,32 @@ extern int evergreen_rlc_resume(struct radeon_device *rdev);
extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
/**
+ * r600_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 r600_get_allowed_info_register(struct radeon_device *rdev,
+ u32 reg, u32 *val)
+{
+ switch (reg) {
+ case GRBM_STATUS:
+ case GRBM_STATUS2:
+ case R_000E50_SRBM_STATUS:
+ case DMA_STATUS_REG:
+ case UVD_STATUS:
+ *val = RREG32(reg);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
* r600_get_xclk - get the xclk
*
* @rdev: radeon_device pointer
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 603ed80..f0101a4 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -920,6 +920,7 @@ static struct radeon_asic r600_asic = {
.mc_wait_for_idle = &r600_mc_wait_for_idle,
.get_xclk = &r600_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = r600_get_allowed_info_register,
.gart = {
.tlb_flush = &r600_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
@@ -1005,6 +1006,7 @@ static struct radeon_asic rv6xx_asic = {
.mc_wait_for_idle = &r600_mc_wait_for_idle,
.get_xclk = &r600_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = r600_get_allowed_info_register,
.gart = {
.tlb_flush = &r600_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
@@ -1098,6 +1100,7 @@ static struct radeon_asic rs780_asic = {
.mc_wait_for_idle = &r600_mc_wait_for_idle,
.get_xclk = &r600_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = r600_get_allowed_info_register,
.gart = {
.tlb_flush = &r600_pcie_gart_tlb_flush,
.set_page = &rs600_gart_set_page,
@@ -1204,6 +1207,7 @@ static struct radeon_asic rv770_asic = {
.mc_wait_for_idle = &r600_mc_wait_for_idle,
.get_xclk = &rv770_get_xclk,
.get_gpu_clock_counter = &r600_get_gpu_clock_counter,
+ .get_allowed_info_register = r600_get_allowed_info_register,
.gart = {
.tlb_flush = &r600_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 2b60d0f..5bf508f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -381,6 +381,8 @@ u32 r600_gfx_get_wptr(struct radeon_device *rdev,
struct radeon_ring *ring);
void r600_gfx_set_wptr(struct radeon_device *rdev,
struct radeon_ring *ring);
+int r600_get_allowed_info_register(struct radeon_device *rdev,
+ u32 reg, u32 *val);
/* r600 irq */
int r600_irq_process(struct radeon_device *rdev);
int r600_irq_init(struct radeon_device *rdev);
--
1.8.3.1
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