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path: root/drivers/gpu/drm/radeon/r600_blit_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600_blit_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_blit_kms.c805
1 files changed, 805 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
new file mode 100644
index 000000000000..acae33e2ad51
--- /dev/null
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -0,0 +1,805 @@
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon.h"
+
+#include "r600d.h"
+#include "r600_blit_shaders.h"
+
+#define DI_PT_RECTLIST 0x11
+#define DI_INDEX_SIZE_16_BIT 0x0
+#define DI_SRC_SEL_AUTO_INDEX 0x2
+
+#define FMT_8 0x1
+#define FMT_5_6_5 0x8
+#define FMT_8_8_8_8 0x1a
+#define COLOR_8 0x1
+#define COLOR_5_6_5 0x8
+#define COLOR_8_8_8_8 0x1a
+
+/* emits 21 on rv770+, 23 on r600 */
+static void
+set_render_target(struct radeon_device *rdev, int format,
+ int w, int h, u64 gpu_addr)
+{
+ u32 cb_color_info;
+ int pitch, slice;
+
+ h = (h + 7) & ~7;
+ if (h < 8)
+ h = 8;
+
+ cb_color_info = ((format << 2) | (1 << 27));
+ pitch = (w / 8) - 1;
+ slice = ((w * h) / 64) - 1;
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, gpu_addr >> 8);
+
+ if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) {
+ radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0));
+ radeon_ring_write(rdev, 2 << 0);
+ }
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, (pitch << 0) | (slice << 10));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, cb_color_info);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+}
+
+/* emits 5dw */
+static void
+cp_set_surface_sync(struct radeon_device *rdev,
+ u32 sync_type, u32 size,
+ u64 mc_addr)
+{
+ u32 cp_coher_size;
+
+ if (size == 0xffffffff)
+ cp_coher_size = 0xffffffff;
+ else
+ cp_coher_size = ((size + 255) >> 8);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ radeon_ring_write(rdev, sync_type);
+ radeon_ring_write(rdev, cp_coher_size);
+ radeon_ring_write(rdev, mc_addr >> 8);
+ radeon_ring_write(rdev, 10); /* poll interval */
+}
+
+/* emits 21dw + 1 surface sync = 26dw */
+static void
+set_shaders(struct radeon_device *rdev)
+{
+ u64 gpu_addr;
+ u32 sq_pgm_resources;
+
+ /* setup shader regs */
+ sq_pgm_resources = (1 << 0);
+
+ /* VS */
+ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, gpu_addr >> 8);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, sq_pgm_resources);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+
+ /* PS */
+ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, gpu_addr >> 8);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, sq_pgm_resources | (1 << 28));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 2);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
+ radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, 0);
+
+ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
+ cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
+}
+
+/* emits 9 + 1 sync (5) = 14*/
+static void
+set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
+{
+ u32 sq_vtx_constant_word2;
+
+ sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
+ radeon_ring_write(rdev, 0x460);
+ radeon_ring_write(rdev, gpu_addr & 0xffffffff);
+ radeon_ring_write(rdev, 48 - 1);
+ radeon_ring_write(rdev, sq_vtx_constant_word2);
+ radeon_ring_write(rdev, 1 << 0);
+ radeon_ring_write(rdev, 0);
+ radeon_ring_write(rdev, 0);
+ radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30);
+
+ if ((rdev->family == CHIP_RV610) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RS780) ||
+ (rdev->family == CHIP_RS880) ||
+ (rdev->family == CHIP_RV710))
+ cp_set_surface_sync(rdev,
+ PACKET3_TC_ACTION_ENA, 48, gpu_addr);
+ else
+ cp_set_surface_sync(rdev,
+ PACKET3_VC_ACTION_ENA, 48, gpu_addr);
+}
+
+/* emits 9 */
+static void
+set_tex_resource(struct radeon_device *rdev,
+ int format, int w, int h, int pitch,
+ u64 gpu_addr)
+{
+ uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
+
+ if (h < 1)
+ h = 1;
+
+ sq_tex_resource_word0 = (1 << 0);
+ sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
+ ((w - 1) << 19));
+
+ sq_tex_resource_word1 = (format << 26);
+ sq_tex_resource_word1 |= ((h - 1) << 0);
+
+ sq_tex_resource_word4 = ((1 << 14) |
+ (0 << 16) |
+ (1 << 19) |
+ (2 << 22) |
+ (3 << 25));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
+ radeon_ring_write(rdev, 0);
+ radeon_ring_write(rdev, sq_tex_resource_word0);
+ radeon_ring_write(rdev, sq_tex_resource_word1);
+ radeon_ring_write(rdev, gpu_addr >> 8);
+ radeon_ring_write(rdev, gpu_addr >> 8);
+ radeon_ring_write(rdev, sq_tex_resource_word4);
+ radeon_ring_write(rdev, 0);
+ radeon_ring_write(rdev, SQ_TEX_VTX_VALID_TEXTURE << 30);
+}
+
+/* emits 12 */
+static void
+set_scissors(struct radeon_device *rdev, int x1, int y1,
+ int x2, int y2)
+{
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
+ radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, (x1 << 0) | (y1 << 16));
+ radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
+ radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
+ radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
+ radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
+ radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
+}
+
+/* emits 10 */
+static void
+draw_auto(struct radeon_device *rdev)
+{
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, DI_PT_RECTLIST);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
+ radeon_ring_write(rdev, DI_INDEX_SIZE_16_BIT);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
+ radeon_ring_write(rdev, 1);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
+ radeon_ring_write(rdev, 3);
+ radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX);
+
+}
+
+/* emits 14 */
+static void
+set_default_state(struct radeon_device *rdev)
+{
+ u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
+ u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
+ int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
+ int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
+ int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
+ u64 gpu_addr;
+ int dwords;
+
+ switch (rdev->family) {
+ case CHIP_R600:
+ num_ps_gprs = 192;
+ num_vs_gprs = 56;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 136;
+ num_vs_threads = 48;
+ num_gs_threads = 4;
+ num_es_threads = 4;
+ num_ps_stack_entries = 128;
+ num_vs_stack_entries = 128;
+ num_gs_stack_entries = 0;
+ num_es_stack_entries = 0;
+ break;
+ case CHIP_RV630:
+ case CHIP_RV635:
+ num_ps_gprs = 84;
+ num_vs_gprs = 36;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 144;
+ num_vs_threads = 40;
+ num_gs_threads = 4;
+ num_es_threads = 4;
+ num_ps_stack_entries = 40;
+ num_vs_stack_entries = 40;
+ num_gs_stack_entries = 32;
+ num_es_stack_entries = 16;
+ break;
+ case CHIP_RV610:
+ case CHIP_RV620:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ default:
+ num_ps_gprs = 84;
+ num_vs_gprs = 36;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 136;
+ num_vs_threads = 48;
+ num_gs_threads = 4;
+ num_es_threads = 4;
+ num_ps_stack_entries = 40;
+ num_vs_stack_entries = 40;
+ num_gs_stack_entries = 32;
+ num_es_stack_entries = 16;
+ break;
+ case CHIP_RV670:
+ num_ps_gprs = 144;
+ num_vs_gprs = 40;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 136;
+ num_vs_threads = 48;
+ num_gs_threads = 4;
+ num_es_threads = 4;
+ num_ps_stack_entries = 40;
+ num_vs_stack_entries = 40;
+ num_gs_stack_entries = 32;
+ num_es_stack_entries = 16;
+ break;
+ case CHIP_RV770:
+ num_ps_gprs = 192;
+ num_vs_gprs = 56;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 188;
+ num_vs_threads = 60;
+ num_gs_threads = 0;
+ num_es_threads = 0;
+ num_ps_stack_entries = 256;
+ num_vs_stack_entries = 256;
+ num_gs_stack_entries = 0;
+ num_es_stack_entries = 0;
+ break;
+ case CHIP_RV730:
+ case CHIP_RV740:
+ num_ps_gprs = 84;
+ num_vs_gprs = 36;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 188;
+ num_vs_threads = 60;
+ num_gs_threads = 0;
+ num_es_threads = 0;
+ num_ps_stack_entries = 128;
+ num_vs_stack_entries = 128;
+ num_gs_stack_entries = 0;
+ num_es_stack_entries = 0;
+ break;
+ case CHIP_RV710:
+ num_ps_gprs = 192;
+ num_vs_gprs = 56;
+ num_temp_gprs = 4;
+ num_gs_gprs = 0;
+ num_es_gprs = 0;
+ num_ps_threads = 144;
+ num_vs_threads = 48;
+ num_gs_threads = 0;
+ num_es_threads = 0;
+ num_ps_stack_entries = 128;
+ num_vs_stack_entries = 128;
+ num_gs_stack_entries = 0;
+ num_es_stack_entries = 0;
+ break;
+ }
+
+ if ((rdev->family == CHIP_RV610) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RS780) ||
+ (rdev->family == CHIP_RS780) ||
+ (rdev->family == CHIP_RV710))
+ sq_config = 0;
+ else
+ sq_config = VC_ENABLE;
+
+ sq_config |= (DX9_CONSTS |
+ ALU_INST_PREFER_VECTOR |
+ PS_PRIO(0) |
+ VS_PRIO(1) |
+ GS_PRIO(2) |
+ ES_PRIO(3));
+
+ sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
+ NUM_VS_GPRS(num_vs_gprs) |
+ NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
+ sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
+ NUM_ES_GPRS(num_es_gprs));
+ sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
+ NUM_VS_THREADS(num_vs_threads) |
+ NUM_GS_THREADS(num_gs_threads) |
+ NUM_ES_THREADS(num_es_threads));
+ sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
+ NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
+ sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
+ NUM_ES_STACK_ENTRIES(num_es_stack_entries));
+
+ /* emit an IB pointing at default state */
+ dwords = (rdev->r600_blit.state_len + 0xf) & ~0xf;
+ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
+ radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
+ radeon_ring_write(rdev, gpu_addr & 0xFFFFFFFC);
+ radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
+ radeon_ring_write(rdev, dwords);
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
+ radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
+ /* SQ config */
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6));
+ radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, sq_config);
+ radeon_ring_write(rdev, sq_gpr_resource_mgmt_1);
+ radeon_ring_write(rdev, sq_gpr_resource_mgmt_2);
+ radeon_ring_write(rdev, sq_thread_resource_mgmt);
+ radeon_ring_write(rdev, sq_stack_resource_mgmt_1);
+ radeon_ring_write(rdev, sq_stack_resource_mgmt_2);
+}
+
+static inline uint32_t i2f(uint32_t input)
+{
+ u32 result, i, exponent, fraction;
+
+ if ((input & 0x3fff) == 0)
+ result = 0; /* 0 is a special case */
+ else {
+ exponent = 140; /* exponent biased by 127; */
+ fraction = (input & 0x3fff) << 10; /* cheat and only
+ handle numbers below 2^^15 */
+ for (i = 0; i < 14; i++) {
+ if (fraction & 0x800000)
+ break;
+ else {
+ fraction = fraction << 1; /* keep
+ shifting left until top bit = 1 */
+ exponent = exponent - 1;
+ }
+ }
+ result = exponent << 23 | (fraction & 0x7fffff); /* mask
+ off top bit; assumed 1 */
+ }
+ return result;
+}
+
+int r600_blit_init(struct radeon_device *rdev)
+{
+ u32 obj_size;
+ int r, dwords;
+ void *ptr;
+ u32 packet2s[16];
+ int num_packet2s = 0;
+
+ rdev->r600_blit.state_offset = 0;
+
+ if (rdev->family >= CHIP_RV770)
+ rdev->r600_blit.state_len = r7xx_default_size;
+ else
+ rdev->r600_blit.state_len = r6xx_default_size;
+
+ dwords = rdev->r600_blit.state_len;
+ while (dwords & 0xf) {
+ packet2s[num_packet2s++] = PACKET2(0);
+ dwords++;
+ }
+
+ obj_size = dwords * 4;
+ obj_size = ALIGN(obj_size, 256);
+
+ rdev->r600_blit.vs_offset = obj_size;
+ obj_size += r6xx_vs_size * 4;
+ obj_size = ALIGN(obj_size, 256);
+
+ rdev->r600_blit.ps_offset = obj_size;
+ obj_size += r6xx_ps_size * 4;
+ obj_size = ALIGN(obj_size, 256);
+
+ r = radeon_object_create(rdev, NULL, obj_size,
+ true, RADEON_GEM_DOMAIN_VRAM,
+ false, &rdev->r600_blit.shader_obj);
+ if (r) {
+ DRM_ERROR("r600 failed to allocate shader\n");
+ return r;
+ }
+
+ DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n",
+ obj_size,
+ rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
+
+ r = radeon_object_kmap(rdev->r600_blit.shader_obj, &ptr);
+ if (r) {
+ DRM_ERROR("failed to map blit object %d\n", r);
+ return r;
+ }
+
+ if (rdev->family >= CHIP_RV770)
+ memcpy_toio(ptr + rdev->r600_blit.state_offset,
+ r7xx_default_state, rdev->r600_blit.state_len * 4);
+ else
+ memcpy_toio(ptr + rdev->r600_blit.state_offset,
+ r6xx_default_state, rdev->r600_blit.state_len * 4);
+ if (num_packet2s)
+ memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
+ packet2s, num_packet2s * 4);
+
+
+ memcpy(ptr + rdev->r600_blit.vs_offset, r6xx_vs, r6xx_vs_size * 4);
+ memcpy(ptr + rdev->r600_blit.ps_offset, r6xx_ps, r6xx_ps_size * 4);
+
+ radeon_object_kunmap(rdev->r600_blit.shader_obj);
+ return 0;
+}
+
+void r600_blit_fini(struct radeon_device *rdev)
+{
+ radeon_object_unpin(rdev->r600_blit.shader_obj);
+ radeon_object_unref(&rdev->r600_blit.shader_obj);
+}
+
+int r600_vb_ib_get(struct radeon_device *rdev)
+{
+ int r;
+ r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib);
+ if (r) {
+ DRM_ERROR("failed to get IB for vertex buffer\n");
+ return r;
+ }
+
+ rdev->r600_blit.vb_total = 64*1024;
+ rdev->r600_blit.vb_used = 0;
+ return 0;
+}
+
+void r600_vb_ib_put(struct radeon_device *rdev)
+{
+ radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
+ mutex_lock(&rdev->ib_pool.mutex);
+ list_add_tail(&rdev->r600_blit.vb_ib->list, &rdev->ib_pool.scheduled_ibs);
+ mutex_unlock(&rdev->ib_pool.mutex);
+ radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
+}
+
+int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
+{
+ int r;
+ int ring_size, line_size;
+ int max_size;
+ /* loops of emits 64 + fence emit possible */
+ int dwords_per_loop = 76, num_loops;
+
+ r = r600_vb_ib_get(rdev);
+ WARN_ON(r);
+
+ /* set_render_target emits 2 extra dwords on rv6xx */
+ if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770)
+ dwords_per_loop += 2;
+
+ /* 8 bpp vs 32 bpp for xfer unit */
+ if (size_bytes & 3)
+ line_size = 8192;
+ else
+ line_size = 8192*4;
+
+ max_size = 8192 * line_size;
+
+ /* major loops cover the max size transfer */
+ num_loops = ((size_bytes + max_size) / max_size);
+ /* minor loops cover the extra non aligned bits */
+ num_loops += ((size_bytes % line_size) ? 1 : 0);
+ /* calculate number of loops correctly */
+ ring_size = num_loops * dwords_per_loop;
+ /* set default + shaders */
+ ring_size += 40; /* shaders + def state */
+ ring_size += 3; /* fence emit for VB IB */
+ ring_size += 5; /* done copy */
+ ring_size += 3; /* fence emit for done copy */
+ r = radeon_ring_lock(rdev, ring_size);
+ WARN_ON(r);
+
+ set_default_state(rdev); /* 14 */
+ set_shaders(rdev); /* 26 */
+ return 0;
+}
+
+void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
+{
+ int r;
+
+ radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
+ radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
+ /* wait for 3D idle clean */
+ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
+
+ if (rdev->r600_blit.vb_ib)
+ r600_vb_ib_put(rdev);
+
+ if (fence)
+ r = radeon_fence_emit(rdev, fence);
+
+ radeon_ring_unlock_commit(rdev);
+}
+
+void r600_kms_blit_copy(struct radeon_device *rdev,
+ u64 src_gpu_addr, u64 dst_gpu_addr,
+ int size_bytes)
+{
+ int max_bytes;
+ u64 vb_gpu_addr;
+ u32 *vb;
+
+ DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr,
+ size_bytes, rdev->r600_blit.vb_used);
+ vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used);
+ if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
+ max_bytes = 8192;
+
+ while (size_bytes) {
+ int cur_size = size_bytes;
+ int src_x = src_gpu_addr & 255;
+ int dst_x = dst_gpu_addr & 255;
+ int h = 1;
+ src_gpu_addr = src_gpu_addr & ~255;
+ dst_gpu_addr = dst_gpu_addr & ~255;
+
+ if (!src_x && !dst_x) {
+ h = (cur_size / max_bytes);
+ if (h > 8192)
+ h = 8192;
+ if (h == 0)
+ h = 1;
+ else
+ cur_size = max_bytes;
+ } else {
+ if (cur_size > max_bytes)
+ cur_size = max_bytes;
+ if (cur_size > (max_bytes - dst_x))
+ cur_size = (max_bytes - dst_x);
+ if (cur_size > (max_bytes - src_x))
+ cur_size = (max_bytes - src_x);
+ }
+
+ if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
+ WARN_ON(1);
+
+#if 0
+ r600_vb_ib_put(rdev);
+
+ r600_nomm_put_vb(dev);
+ r600_nomm_get_vb(dev);
+ if (!dev_priv->blit_vb)
+ return;
+ set_shaders(dev);
+ vb = r600_nomm_get_vb_ptr(dev);
+#endif
+ }
+
+ vb[0] = i2f(dst_x);
+ vb[1] = 0;
+ vb[2] = i2f(src_x);
+ vb[3] = 0;
+
+ vb[4] = i2f(dst_x);
+ vb[5] = i2f(h);
+ vb[6] = i2f(src_x);
+ vb[7] = i2f(h);
+
+ vb[8] = i2f(dst_x + cur_size);
+ vb[9] = i2f(h);
+ vb[10] = i2f(src_x + cur_size);
+ vb[11] = i2f(h);
+
+ /* src 9 */
+ set_tex_resource(rdev, FMT_8,
+ src_x + cur_size, h, src_x + cur_size,
+ src_gpu_addr);
+
+ /* 5 */
+ cp_set_surface_sync(rdev,
+ PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
+
+ /* dst 23 */
+ set_render_target(rdev, COLOR_8,
+ dst_x + cur_size, h,
+ dst_gpu_addr);
+
+ /* scissors 12 */
+ set_scissors(rdev, dst_x, 0, dst_x + cur_size, h);
+
+ /* 14 */
+ vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
+ set_vtx_resource(rdev, vb_gpu_addr);
+
+ /* draw 10 */
+ draw_auto(rdev);
+
+ /* 5 */
+ cp_set_surface_sync(rdev,
+ PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
+ cur_size * h, dst_gpu_addr);
+
+ vb += 12;
+ rdev->r600_blit.vb_used += 12 * 4;
+
+ src_gpu_addr += cur_size * h;
+ dst_gpu_addr += cur_size * h;
+ size_bytes -= cur_size * h;
+ }
+ } else {
+ max_bytes = 8192 * 4;
+
+ while (size_bytes) {
+ int cur_size = size_bytes;
+ int src_x = (src_gpu_addr & 255);
+ int dst_x = (dst_gpu_addr & 255);
+ int h = 1;
+ src_gpu_addr = src_gpu_addr & ~255;
+ dst_gpu_addr = dst_gpu_addr & ~255;
+
+ if (!src_x && !dst_x) {
+ h = (cur_size / max_bytes);
+ if (h > 8192)
+ h = 8192;
+ if (h == 0)
+ h = 1;
+ else
+ cur_size = max_bytes;
+ } else {
+ if (cur_size > max_bytes)
+ cur_size = max_bytes;
+ if (cur_size > (max_bytes - dst_x))
+ cur_size = (max_bytes - dst_x);
+ if (cur_size > (max_bytes - src_x))
+ cur_size = (max_bytes - src_x);
+ }
+
+ if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
+ WARN_ON(1);
+ }
+#if 0
+ if ((rdev->blit_vb->used + 48) > rdev->blit_vb->total) {
+ r600_nomm_put_vb(dev);
+ r600_nomm_get_vb(dev);
+ if (!rdev->blit_vb)
+ return;
+
+ set_shaders(dev);
+ vb = r600_nomm_get_vb_ptr(dev);
+ }
+#endif
+
+ vb[0] = i2f(dst_x / 4);
+ vb[1] = 0;
+ vb[2] = i2f(src_x / 4);
+ vb[3] = 0;
+
+ vb[4] = i2f(dst_x / 4);
+ vb[5] = i2f(h);
+ vb[6] = i2f(src_x / 4);
+ vb[7] = i2f(h);
+
+ vb[8] = i2f((dst_x + cur_size) / 4);
+ vb[9] = i2f(h);
+ vb[10] = i2f((src_x + cur_size) / 4);
+ vb[11] = i2f(h);
+
+ /* src 9 */
+ set_tex_resource(rdev, FMT_8_8_8_8,
+ (src_x + cur_size) / 4,
+ h, (src_x + cur_size) / 4,
+ src_gpu_addr);
+ /* 5 */
+ cp_set_surface_sync(rdev,
+ PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
+
+ /* dst 23 */
+ set_render_target(rdev, COLOR_8_8_8_8,
+ (dst_x + cur_size) / 4, h,
+ dst_gpu_addr);
+
+ /* scissors 12 */
+ set_scissors(rdev, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
+
+ /* Vertex buffer setup 14 */
+ vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
+ set_vtx_resource(rdev, vb_gpu_addr);
+
+ /* draw 10 */
+ draw_auto(rdev);
+
+ /* 5 */
+ cp_set_surface_sync(rdev,
+ PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
+ cur_size * h, dst_gpu_addr);
+
+ /* 78 ring dwords per loop */
+ vb += 12;
+ rdev->r600_blit.vb_used += 12 * 4;
+
+ src_gpu_addr += cur_size * h;
+ dst_gpu_addr += cur_size * h;
+ size_bytes -= cur_size * h;
+ }
+ }
+}
+
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 09:23:53 +0300