radeon/compute: Implement PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY

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 <[email protected]>
Reviewed-by: Tom Stellard <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index 750886532f2..957186af0b5 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -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;