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freedreno: context priority support

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For devices (and kernels) which support different priority ringbuffers,
expose context priority support.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2017-08-24 10:22:24 -04:00
parent 0015217c1e
commit 805a72404c
5 changed files with 22 additions and 4 deletions
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2
configure.ac
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@@ -78,7 +78,7 @@ LIBDRM_AMDGPU_REQUIRED=2.4.89
LIBDRM_INTEL_REQUIRED=2.4.75
LIBDRM_NVVIEUX_REQUIRED=2.4.66
LIBDRM_NOUVEAU_REQUIRED=2.4.66
LIBDRM_FREEDRENO_REQUIRED=2.4.74
LIBDRM_FREEDRENO_REQUIRED=2.4.89
LIBDRM_ETNAVIV_REQUIRED=2.4.82
dnl Versions for external dependencies

2
meson.build
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@@ -960,7 +960,7 @@ if with_gallium_etnaviv
dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
endif
if with_gallium_freedreno
dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
endif
llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']

9
src/gallium/drivers/freedreno/freedreno_context.c
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@@ -259,10 +259,17 @@ fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
{
struct fd_screen *screen = fd_screen(pscreen);
struct pipe_context *pctx;
unsigned prio = 1;
int i;
/* lower numerical value == higher priority: */
if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
prio = 0;
else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
prio = 2;
ctx->screen = screen;
ctx->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
ctx->primtypes = primtypes;
ctx->primtype_mask = 0;

12
src/gallium/drivers/freedreno/freedreno_screen.c
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@@ -339,9 +339,11 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TILE_RASTER_ORDER:
case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
case PIPE_CAP_CONTEXT_PRIORITY_MASK:
return 0;
case PIPE_CAP_CONTEXT_PRIORITY_MASK:
return screen->priority_mask;
case PIPE_CAP_DRAW_INDIRECT:
if (is_a4xx(screen) || is_a5xx(screen))
return 1;
@@ -842,6 +844,14 @@ fd_screen_create(struct fd_device *dev)
}
screen->chip_id = val;
if (fd_pipe_get_param(screen->pipe, FD_NR_RINGS, &val)) {
DBG("could not get # of rings");
screen->priority_mask = 0;
} else {
/* # of rings equates to number of unique priority values: */
screen->priority_mask = (1 << val) - 1;
}
DBG("Pipe Info:");
DBG(" GPU-id: %d", screen->gpu_id);
DBG(" Chip-id: 0x%08x", screen->chip_id);

1
src/gallium/drivers/freedreno/freedreno_screen.h
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@@ -67,6 +67,7 @@ struct fd_screen {
uint32_t max_rts; /* max # of render targets */
uint32_t gmem_alignw, gmem_alignh;
uint32_t num_vsc_pipes;
uint32_t priority_mask;
bool has_timestamp;
void *compiler; /* currently unused for a2xx */