Merge branch 'drm-fixes-4.15' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

- backport of a DC change which fixes a greenish tint on some RV hw
- properly handle kzalloc fail in ttm

* 'drm-fixes-4.15' of git://people.freedesktop.org/~agd5f/linux:
  drm/ttm: check the return value of kzalloc
  drm/amd/display: call set csc_default if enable adjustment is false

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h

@@ -1360,7 +1360,7 @@ void dpp1_cm_set_output_csc_adjustment(
 
 void dpp1_cm_set_output_csc_default(
 		struct dpp *dpp_base,
-		const struct default_adjustment *default_adjust);
+		enum dc_color_space colorspace);
 
 void dpp1_cm_set_gamut_remap(
 	struct dpp *dpp,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c

@@ -225,14 +225,13 @@ void dpp1_cm_set_gamut_remap(
 
 void dpp1_cm_set_output_csc_default(
 		struct dpp *dpp_base,
-		const struct default_adjustment *default_adjust)
+		enum dc_color_space colorspace)
 {
 
 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 	uint32_t ocsc_mode = 0;
 
-	if (default_adjust != NULL) {
-		switch (default_adjust->out_color_space) {
+	switch (colorspace) {
 		case COLOR_SPACE_SRGB:
 		case COLOR_SPACE_2020_RGB_FULLRANGE:
 			ocsc_mode = 0;
@@ -254,7 +253,6 @@ void dpp1_cm_set_output_csc_default(
 		default:
 			break;
 	}
-	}
 
 	REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode);
 

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -2097,6 +2097,8 @@ static void program_csc_matrix(struct pipe_ctx *pipe_ctx,
 			tbl_entry.color_space = color_space;
 			//tbl_entry.regval = matrix;
 			pipe_ctx->plane_res.dpp->funcs->opp_set_csc_adjustment(pipe_ctx->plane_res.dpp, &tbl_entry);
+	} else {
+		pipe_ctx->plane_res.dpp->funcs->opp_set_csc_default(pipe_ctx->plane_res.dpp, colorspace);
 	}
 }
 static bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx)

drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h

@@ -64,7 +64,7 @@ struct dpp_funcs {
 
 	void (*opp_set_csc_default)(
 		struct dpp *dpp,
-		const struct default_adjustment *default_adjust);
+		enum dc_color_space colorspace);
 
 	void (*opp_set_csc_adjustment)(
 		struct dpp *dpp,

drivers/gpu/drm/ttm/ttm_page_alloc.c

@@ -1007,6 +1007,8 @@ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages)
 	pr_info("Initializing pool allocator\n");
 
 	_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
+	if (!_manager)
+		return -ENOMEM;
 
 	ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc", 0);