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radeon/compute: Implement PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY

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Igor Gnatenko:
  v2: in define RADEON_INFO_MAX_SCLK use 0x1a instead of 0x19 (upstream changes)

Bruno Jiménez:
  v3: Convert the frequency to MHz from kHz after getting it in
  'do_winsys_init'

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Tom Stellard 2014-04-18 16:28:40 +02:00
parent 5fe1a0ebad
commit 0a41054b7f
3 changed files with 13 additions and 0 deletions
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7
src/gallium/drivers/radeon/r600_pipe_common.c
View file

@ -505,6 +505,13 @@ static int r600_get_compute_param(struct pipe_screen *screen,
}
return sizeof(uint64_t);
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
if (ret) {
uint32_t *max_clock_frequency = ret;
*max_clock_frequency = rscreen->info.max_sclk;
}
return sizeof(uint32_t);
default:
fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
return 0;

5
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
View file

@ -317,6 +317,11 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
ws->info.gart_size = gem_info.gart_size;
ws->info.vram_size = gem_info.vram_size;
/* Get max clock frequency info and convert it to MHz */
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SCLK, NULL,
&ws->info.max_sclk);
ws->info.max_sclk /= 1000;
ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
/* Generation-specific queries. */

1
src/gallium/winsys/radeon/drm/radeon_winsys.h
View file

@ -196,6 +196,7 @@ struct radeon_info {
enum chip_class chip_class;
uint32_t gart_size;
uint32_t vram_size;
uint32_t max_sclk;
uint32_t drm_major; /* version */
uint32_t drm_minor;