[Mesa-dev] [PATCH] radeonsi/gfx9: use the correct condition for the DPBB + QUANT_MODE workaround

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_state_viewport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_state_viewport.c b/src/gallium/drivers/radeonsi/si_state_viewport.c
index 1ec69216841..83905d36ee6 100644
--- a/src/gallium/drivers/radeonsi/si_state_viewport.c
+++ b/src/gallium/drivers/radeonsi/si_state_viewport.c
@@ -359,21 +359,22 @@ static void si_set_viewport_states(struct pipe_context *pctx,
 		max_extent += distance_off_center;
 
 		/* Determine the best quantization mode (subpixel precision),
 		 * but also leave enough space for the guardband.
 		 *
 		 * Note that primitive binning requires QUANT_MODE == 16_8 on Vega10
 		 * and Raven1. What we do depends on the chip:
 		 * - Vega10: Never use primitive binning.
 		 * - Raven1: Always use QUANT_MODE == 16_8.
 		 */
-		if (ctx->family == CHIP_RAVEN)
+		if ((ctx->family == CHIP_VEGA10 || ctx->family == CHIP_RAVEN) &&
+		    ctx->screen->dpbb_allowed)
 			max_extent = 16384; /* Use QUANT_MODE == 16_8. */
 
 		/* Another constraint is that all coordinates in the viewport
 		 * are representable in fixed point with respect to the
 		 * surface origin.
 		 *
 		 * It means that PA_SU_HARDWARE_SCREEN_OFFSET can't be given
 		 * an offset that would make the upper corner of the viewport
 		 * greater than the maximum representable number post
 		 * quantization, ie 2^quant_bits.
-- 
2.17.1