From: Dave Airlie Date: Tue, 28 Mar 2017 19:09:36 +0000 (+0100) Subject: radv: only emit ps_input_cntl is we have any to output X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93d61e494518a5dd170c2b098b2ed7a26465d049;p=mesa.git radv: only emit ps_input_cntl is we have any to output Otherwise we get GPU hangs. Reported-by: Alex Smith Signed-off-by: Dave Airlie --- diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index e994df65fd2..e6f098c208d 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -697,9 +697,12 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer, radeon_set_context_reg(cmd_buffer->cs, R_028238_CB_TARGET_MASK, blend->cb_target_mask); radeon_set_context_reg(cmd_buffer->cs, R_02823C_CB_SHADER_MASK, blend->cb_shader_mask); - radeon_set_context_reg_seq(cmd_buffer->cs, R_028644_SPI_PS_INPUT_CNTL_0, pipeline->graphics.ps_input_cntl_num); - for (unsigned i = 0; i < pipeline->graphics.ps_input_cntl_num; i++) - radeon_emit(cmd_buffer->cs, pipeline->graphics.ps_input_cntl[i]); + if (pipeline->graphics.ps_input_cntl_num) { + radeon_set_context_reg_seq(cmd_buffer->cs, R_028644_SPI_PS_INPUT_CNTL_0, pipeline->graphics.ps_input_cntl_num); + for (unsigned i = 0; i < pipeline->graphics.ps_input_cntl_num; i++) { + radeon_emit(cmd_buffer->cs, pipeline->graphics.ps_input_cntl[i]); + } + } } static void