winsys/radeon: add flush option not to rewrite tiling flags in registers
Not used yet.
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df809ae923
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@ -71,6 +71,13 @@
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#include <stdint.h>
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#include <xf86drm.h>
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#ifndef RADEON_CHUNK_ID_FLAGS
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#define RADEON_CHUNK_ID_FLAGS 0x03
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/* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
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#define RADEON_CS_KEEP_TILING_FLAGS 0x01
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#endif
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#define RELOC_DWORDS (sizeof(struct drm_radeon_cs_reloc) / sizeof(uint32_t))
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static boolean radeon_init_cs_context(struct radeon_cs_context *csc, int fd)
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@ -96,11 +103,14 @@ static boolean radeon_init_cs_context(struct radeon_cs_context *csc, int fd)
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csc->chunks[1].chunk_id = RADEON_CHUNK_ID_RELOCS;
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csc->chunks[1].length_dw = 0;
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csc->chunks[1].chunk_data = (uint64_t)(uintptr_t)csc->relocs;
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csc->chunks[2].chunk_id = RADEON_CHUNK_ID_FLAGS;
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csc->chunks[2].length_dw = 1;
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csc->chunks[2].chunk_data = (uint64_t)(uintptr_t)&csc->flags;
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csc->chunk_array[0] = (uint64_t)(uintptr_t)&csc->chunks[0];
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csc->chunk_array[1] = (uint64_t)(uintptr_t)&csc->chunks[1];
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csc->chunk_array[2] = (uint64_t)(uintptr_t)&csc->chunks[2];
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csc->cs.num_chunks = 2;
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csc->cs.chunks = (uint64_t)(uintptr_t)csc->chunk_array;
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return TRUE;
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}
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@ -427,6 +437,13 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
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p_atomic_inc(&cs->cst->relocs_bo[i]->num_active_ioctls);
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}
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if (flags & RADEON_FLUSH_KEEP_TILING_FLAGS) {
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cs->cst->cs.num_chunks = 3;
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cs->cst->flags = RADEON_CS_KEEP_TILING_FLAGS;
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} else {
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cs->cst->cs.num_chunks = 2;
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}
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if (cs->thread &&
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(flags & RADEON_FLUSH_ASYNC)) {
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cs->flush_started = 1;
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@ -35,8 +35,9 @@ struct radeon_cs_context {
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int fd;
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struct drm_radeon_cs cs;
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struct drm_radeon_cs_chunk chunks[2];
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uint64_t chunk_array[2];
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struct drm_radeon_cs_chunk chunks[3];
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uint64_t chunk_array[3];
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uint32_t flags;
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/* Relocs. */
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unsigned nrelocs;
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@ -45,7 +45,9 @@
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#include "pipe/p_state.h"
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#define RADEON_MAX_CMDBUF_DWORDS (16 * 1024)
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#define RADEON_FLUSH_ASYNC (1 << 0)
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#define RADEON_FLUSH_ASYNC (1 << 0)
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#define RADEON_FLUSH_KEEP_TILING_FLAGS (1 << 1) /* needs DRM 2.12.0 */
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/* Tiling flags. */
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enum radeon_bo_layout {
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