drm/radeon: add clearstate init for verde power gating
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 386bbdc..ad77dbe 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -32,6 +32,7 @@
#include "sid.h"
#include "atom.h"
#include "si_blit_shaders.h"
+#include "clearstate_si.h"
#define SI_PFP_UCODE_SIZE 2144
#define SI_PM4_UCODE_SIZE 2144
@@ -4583,10 +4584,16 @@
}
}
+#define RLC_CLEAR_STATE_END_MARKER 0x00000001
+
int si_rlc_init(struct radeon_device *rdev)
{
- int r, i;
volatile u32 *dst_ptr;
+ u32 dws, data, i, j, k, reg_num;
+ u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index;
+ u64 reg_list_mc_addr;
+ const struct cs_section_def *cs_data = si_cs_data;
+ int r;
/* save restore block */
if (rdev->rlc.save_restore_obj == NULL) {
@@ -4630,10 +4637,20 @@
radeon_bo_unreserve(rdev->rlc.save_restore_obj);
/* clear state block */
+ reg_list_num = 0;
+ dws = 0;
+ for (i = 0; cs_data[i].section != NULL; i++) {
+ for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
+ reg_list_num++;
+ dws += cs_data[i].section[j].reg_count;
+ }
+ }
+ reg_list_blk_index = (3 * reg_list_num + 2);
+ dws += reg_list_blk_index;
+
if (rdev->rlc.clear_state_obj == NULL) {
- r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
- RADEON_GEM_DOMAIN_VRAM, NULL,
- &rdev->rlc.clear_state_obj);
+ r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
+ RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->rlc.clear_state_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
si_rlc_fini(rdev);
@@ -4647,12 +4664,53 @@
}
r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
&rdev->rlc.clear_state_gpu_addr);
- radeon_bo_unreserve(rdev->rlc.clear_state_obj);
if (r) {
+
+ radeon_bo_unreserve(rdev->rlc.clear_state_obj);
dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
si_rlc_fini(rdev);
return r;
}
+ r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
+ if (r) {
+ dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
+ si_rlc_fini(rdev);
+ return r;
+ }
+ /* set up the cs buffer */
+ dst_ptr = rdev->rlc.cs_ptr;
+ reg_list_hdr_blk_index = 0;
+ reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
+ data = upper_32_bits(reg_list_mc_addr);
+ dst_ptr[reg_list_hdr_blk_index] = data;
+ reg_list_hdr_blk_index++;
+ for (i = 0; cs_data[i].section != NULL; i++) {
+ for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
+ reg_num = cs_data[i].section[j].reg_count;
+ data = reg_list_mc_addr & 0xffffffff;
+ dst_ptr[reg_list_hdr_blk_index] = data;
+ reg_list_hdr_blk_index++;
+
+ data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
+ dst_ptr[reg_list_hdr_blk_index] = data;
+ reg_list_hdr_blk_index++;
+
+ data = 0x08000000 | (reg_num * 4);
+ dst_ptr[reg_list_hdr_blk_index] = data;
+ reg_list_hdr_blk_index++;
+
+ for (k = 0; k < reg_num; k++) {
+ data = cs_data[i].section[j].extent[k];
+ dst_ptr[reg_list_blk_index + k] = data;
+ }
+ reg_list_mc_addr += reg_num * 4;
+ reg_list_blk_index += reg_num;
+ }
+ }
+ dst_ptr[reg_list_hdr_blk_index] = RLC_CLEAR_STATE_END_MARKER;
+
+ radeon_bo_kunmap(rdev->rlc.clear_state_obj);
+ radeon_bo_unreserve(rdev->rlc.clear_state_obj);
return 0;
}