From 1067e6eb552ac850258e33e4eba689a964581c8a Mon Sep 17 00:00:00 2001 From: Nicolai Hähnle Date: Sun, 24 Jan 2016 11:16:34 -0500 Subject: radeonsi: add DCC buffer for sampler views on new CS MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes a VM fault and possible lockup in high memory pressure situations. Cc: "11.1" Reviewed-by: Marek Olšák Reviewed-by: Edward O'Callaghan --- src/gallium/drivers/radeonsi/si_descriptors.c | 33 +++++++++++++++------------ 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c index aad836d819b..6c796731a18 100644 --- a/src/gallium/drivers/radeonsi/si_descriptors.c +++ b/src/gallium/drivers/radeonsi/si_descriptors.c @@ -138,6 +138,22 @@ static void si_release_sampler_views(struct si_sampler_views *views) si_release_descriptors(&views->desc); } +static void si_sampler_view_add_buffers(struct si_context *sctx, + struct si_sampler_view *rview) +{ + if (rview->resource) { + radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, + rview->resource, RADEON_USAGE_READ, + r600_get_sampler_view_priority(rview->resource)); + } + + if (rview->dcc_buffer && rview->dcc_buffer != rview->resource) { + radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, + rview->dcc_buffer, RADEON_USAGE_READ, + RADEON_PRIO_DCC); + } +} + static void si_sampler_views_begin_new_cs(struct si_context *sctx, struct si_sampler_views *views) { @@ -149,12 +165,7 @@ static void si_sampler_views_begin_new_cs(struct si_context *sctx, struct si_sampler_view *rview = (struct si_sampler_view*)views->views[i]; - if (!rview->resource) - continue; - - radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, - rview->resource, RADEON_USAGE_READ, - r600_get_sampler_view_priority(rview->resource)); + si_sampler_view_add_buffers(sctx, rview); } if (!views->desc.buffer) @@ -176,15 +187,7 @@ static void si_set_sampler_view(struct si_context *sctx, unsigned shader, struct si_sampler_view *rview = (struct si_sampler_view*)view; - if (rview->resource) - radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, - rview->resource, RADEON_USAGE_READ, - r600_get_sampler_view_priority(rview->resource)); - - if (rview->dcc_buffer && rview->dcc_buffer != rview->resource) - radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, - rview->dcc_buffer, RADEON_USAGE_READ, - RADEON_PRIO_DCC); + si_sampler_view_add_buffers(sctx, rview); pipe_sampler_view_reference(&views->views[slot], view); memcpy(views->desc.list + slot*8, view_desc, 8*4); -- cgit v1.2.3