From 90d68858ed491ec12628845369d242b8a1f20940 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Mon, 12 Nov 2018 09:46:14 +0100 Subject: [PATCH] radv: set optimal OVERWRITE_COMBINER_WATERMARK on GFX9 Ported from RadeonSI. Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/radv_cmd_buffer.c | 21 +++++++++++++++++++++ src/amd/vulkan/si_cmd_buffer.c | 3 --- 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index 1f22fda7c55..8e0ed284d65 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -1483,6 +1483,7 @@ radv_emit_framebuffer_state(struct radv_cmd_buffer *cmd_buffer) int i; struct radv_framebuffer *framebuffer = cmd_buffer->state.framebuffer; const struct radv_subpass *subpass = cmd_buffer->state.subpass; + unsigned num_bpp64_colorbufs = 0; /* this may happen for inherited secondary recording */ if (!framebuffer) @@ -1506,6 +1507,9 @@ radv_emit_framebuffer_state(struct radv_cmd_buffer *cmd_buffer) radv_emit_fb_color_state(cmd_buffer, i, att, image, layout); radv_load_color_clear_metadata(cmd_buffer, image, i); + + if (image->surface.bpe >= 8) + num_bpp64_colorbufs++; } if(subpass->depth_stencil_attachment.attachment != VK_ATTACHMENT_UNUSED) { @@ -1541,6 +1545,23 @@ radv_emit_framebuffer_state(struct radv_cmd_buffer *cmd_buffer) S_028208_BR_X(framebuffer->width) | S_028208_BR_Y(framebuffer->height)); + if (cmd_buffer->device->physical_device->rad_info.chip_class >= VI) { + uint8_t watermark = 4; /* Default value for VI. */ + + /* For optimal DCC performance. */ + if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) { + if (num_bpp64_colorbufs >= 5) { + watermark = 8; + } else { + watermark = 6; + } + } + + radeon_set_context_reg(cmd_buffer->cs, R_028424_CB_DCC_CONTROL, + S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | + S_028424_OVERWRITE_COMBINER_WATERMARK(watermark)); + } + if (cmd_buffer->device->dfsm_allowed) { radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_BREAK_BATCH) | EVENT_INDEX(0)); diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c index f4da2b38fdd..a9f25725415 100644 --- a/src/amd/vulkan/si_cmd_buffer.c +++ b/src/amd/vulkan/si_cmd_buffer.c @@ -305,9 +305,6 @@ si_emit_graphics(struct radv_physical_device *physical_device, if (physical_device->rad_info.chip_class >= VI) { uint32_t vgt_tess_distribution; - radeon_set_context_reg(cs, R_028424_CB_DCC_CONTROL, - S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | - S_028424_OVERWRITE_COMBINER_WATERMARK(4)); vgt_tess_distribution = S_028B50_ACCUM_ISOLINE(32) | S_028B50_ACCUM_TRI(11) | -- 2.30.2