From: Marek Olšák Date: Thu, 30 Jun 2016 22:17:36 +0000 (+0200) Subject: gallium/radeon: add and use radeon_info::max_alloc_size (v2) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8a4ace4a47a07323997da5c2dbc865a32df52451;p=mesa.git gallium/radeon: add and use radeon_info::max_alloc_size (v2) v2: - squashed the patches - use INT_MAX - clamp max_const_buffer_size - check the DRM version in radeon Reviewed-by: Nicolai Hähnle Reviewed-by: Vedran Miletić --- diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 119c76bd4a9..f23daf95109 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -301,7 +301,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) return 0; case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: - return MIN2(rscreen->b.info.vram_size, 0xFFFFFFFF); + return MIN2(rscreen->b.info.max_alloc_size, INT_MAX); case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return R600_MAP_BUFFER_ALIGNMENT; @@ -509,7 +509,7 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e pscreen->get_compute_param(pscreen, PIPE_SHADER_IR_TGSI, PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE, &max_const_buffer_size); - return max_const_buffer_size; + return MIN2(max_const_buffer_size, INT_MAX); } else { return R600_MAX_CONST_BUFFER_SIZE; diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c index 74674e70e72..f75fa6c7d8c 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.c +++ b/src/gallium/drivers/radeon/r600_pipe_common.c @@ -864,8 +864,8 @@ static int r600_get_compute_param(struct pipe_screen *screen, * 4 * MAX_MEM_ALLOC_SIZE. */ *max_global_size = MIN2(4 * max_mem_alloc_size, - rscreen->info.gart_size + - rscreen->info.vram_size); + MAX2(rscreen->info.gart_size, + rscreen->info.vram_size)); } return sizeof(uint64_t); @@ -889,10 +889,7 @@ static int r600_get_compute_param(struct pipe_screen *screen, if (ret) { uint64_t *max_mem_alloc_size = ret; - /* XXX: The limit in older kernels is 256 MB. We - * should add a query here for newer kernels. - */ - *max_mem_alloc_size = 256 * 1024 * 1024; + *max_mem_alloc_size = rscreen->info.max_alloc_size; } return sizeof(uint64_t); @@ -1098,6 +1095,8 @@ bool r600_common_screen_init(struct r600_common_screen *rscreen, printf("chip_class = %i\n", rscreen->info.chip_class); printf("gart_size = %i MB\n", (int)DIV_ROUND_UP(rscreen->info.gart_size, 1024*1024)); printf("vram_size = %i MB\n", (int)DIV_ROUND_UP(rscreen->info.vram_size, 1024*1024)); + printf("max_alloc_size = %i MB\n", + (int)DIV_ROUND_UP(rscreen->info.max_alloc_size, 1024*1024)); printf("has_virtual_memory = %i\n", rscreen->info.has_virtual_memory); printf("gfx_ib_pad_with_type2 = %i\n", rscreen->info.gfx_ib_pad_with_type2); printf("has_sdma = %i\n", rscreen->info.has_sdma); diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h index f32edf09a2d..5910b000104 100644 --- a/src/gallium/drivers/radeon/radeon_winsys.h +++ b/src/gallium/drivers/radeon/radeon_winsys.h @@ -253,6 +253,7 @@ struct radeon_info { uint32_t gart_page_size; uint64_t gart_size; uint64_t vram_size; + uint64_t max_alloc_size; bool has_dedicated_vram; bool has_virtual_memory; bool gfx_ib_pad_with_type2; diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index ad2a86a812b..57c3fbde3f6 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -419,7 +419,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) HAVE_LLVM >= 0x0307 ? 410 : 330; case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: - return MIN2(sscreen->b.info.vram_size, 0xFFFFFFFF); + return MIN2(sscreen->b.info.max_alloc_size, INT_MAX); case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: return 0; @@ -566,7 +566,7 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu pscreen->get_compute_param(pscreen, PIPE_SHADER_IR_TGSI, PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE, &max_const_buffer_size); - return max_const_buffer_size; + return MIN2(max_const_buffer_size, INT_MAX); } default: /* If compute shaders don't require a special value diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c index b8fb4dde894..9a04cbe07fa 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c @@ -270,6 +270,8 @@ static bool do_winsys_init(struct amdgpu_winsys *ws, int fd) /* Set hardware information. */ ws->info.gart_size = gtt.heap_size; ws->info.vram_size = vram.heap_size; + /* TODO: the kernel reports vram/gart.max_allocation == 251 MB (bug?) */ + ws->info.max_alloc_size = MAX2(ws->info.vram_size, ws->info.gart_size); /* convert the shader clock from KHz to MHz */ ws->info.max_shader_clock = ws->amdinfo.max_engine_clk / 1000; ws->info.max_se = ws->amdinfo.num_shader_engines; diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c index c4d28ffe4e4..1b32c377452 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c @@ -373,6 +373,10 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws) ws->info.gart_size = gem_info.gart_size; ws->info.vram_size = gem_info.vram_size; + ws->info.max_alloc_size = MAX2(ws->info.vram_size, ws->info.gart_size); + if (ws->info.drm_minor < 40) + ws->info.max_alloc_size = MIN2(ws->info.max_alloc_size, 256*1024*1024); + /* Get max clock frequency info and convert it to MHz */ radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SCLK, NULL, &ws->info.max_shader_clock);