drm/radeon: fix backend map setup on 1 RB trinity boards (8f612b23) · Commits · 戴 / test

Need to adjust the backend map depending on which RB is enabled. This is the trinity equivalent of: May fix: https://bugs.freedesktop.org/show_bug.cgi?id=57919 Signed-off-by:

drivers/gpu/drm/radeon/ni.c

+16 −5

Original line number	Diff line number	Diff line
		@@ -616,11 +616,22 @@ static void cayman_gpu_init(struct radeon_device *rdev)
		WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
		WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);

		if ((rdev->config.cayman.max_backends_per_se == 1) &&
		(rdev->flags & RADEON_IS_IGP)) {
		if ((disabled_rb_mask & 3) == 1) {
		/* RB0 disabled, RB1 enabled */
		tmp = 0x11111111;
		} else {
		/* RB1 disabled, RB0 enabled */
		tmp = 0x00000000;
		}
		} else {
		tmp = gb_addr_config & NUM_PIPES_MASK;
		tmp = r6xx_remap_render_backend(rdev, tmp,
		rdev->config.cayman.max_backends_per_se *
		rdev->config.cayman.max_shader_engines,
		CAYMAN_MAX_BACKENDS, disabled_rb_mask);
		}
		WREG32(GB_BACKEND_MAP, tmp);

		cgts_tcc_disable = 0xffff0000;