Mesa (master): radeonsi: fix texture border colors for compute shaders

[Marek Olšák]

Module: Mesa
Branch: master
Commit: cc4a19c4ad5b617af632ce732ccbfeb4b4043114
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cc4a19c4ad5b617af632ce732ccbfeb4b4043114

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Wed Oct  5 01:49:30 2016 +0200

radeonsi: fix texture border colors for compute shaders

There are VM faults without this.

Cc: 12.0 <mesa-stable at lists.freedesktop.org>
Acked-by: Edward O'Callaghan <funfunctor at folklore1984.net>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/gallium/drivers/radeonsi/si_compute.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c
index 9a5a4a9..1d1df2f 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -208,6 +208,7 @@ static void si_set_global_binding(
 static void si_initialize_compute(struct si_context *sctx)
 {
 	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
+	uint64_t bc_va;
 
 	radeon_set_sh_reg_seq(cs, R_00B810_COMPUTE_START_X, 3);
 	radeon_emit(cs, 0);
@@ -242,6 +243,17 @@ static void si_initialize_compute(struct si_context *sctx)
 		                  0x190 /* Default value */);
 	}
 
+	/* Set the pointer to border colors. */
+	bc_va = sctx->border_color_buffer->gpu_address;
+
+	if (sctx->b.chip_class >= CIK) {
+		radeon_set_uconfig_reg_seq(cs, R_030E00_TA_CS_BC_BASE_ADDR, 2);
+		radeon_emit(cs, bc_va >> 8);  /* R_030E00_TA_CS_BC_BASE_ADDR */
+		radeon_emit(cs, bc_va >> 40); /* R_030E04_TA_CS_BC_BASE_ADDR_HI */
+	} else {
+		radeon_set_config_reg(cs, R_00950C_TA_CS_BC_BASE_ADDR, bc_va >> 8);
+	}
+
 	sctx->cs_shader_state.emitted_program = NULL;
 	sctx->cs_shader_state.initialized = true;
 }