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Commit 03583e50 authored by Deepak Rawat's avatar Deepak Rawat Committed by Thomas Hellstrom
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drm/vmwgfx: Add debug message for layout change ioctl 



Add debug code to check user-space layout change request.

Signed-off-by: default avatarDeepak Rawat <drawat@vmware.com>
Reviewed-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: default avatarEmil Velikov <emil.velikov@collabora.com>
Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
parent 4ba39767

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

+8 −0
Original line number Diff line number Diff line
@@ -1424,6 +1424,14 @@ int vmw_host_log(const char *log); 
#define VMW_DEBUG_USER(fmt, ...)                                              \

	DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)



/**

 * VMW_DEBUG_KMS - Debug output for kernel mode-setting

 *

 * This macro is for debugging vmwgfx mode-setting code.

 */

#define VMW_DEBUG_KMS(fmt, ...)                                               \

	DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)



/* Resource dirtying - vmwgfx_page_dirty.c */

void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo);

int vmw_bo_dirty_add(struct vmw_buffer_object *vbo);

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

+8 −0
Original line number Diff line number Diff line
@@ -2347,6 +2347,9 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 


	if (!arg->num_outputs) {

		struct drm_rect def_rect = {0, 0, 800, 600};

		VMW_DEBUG_KMS("Default layout x1 = %d y1 = %d x2 = %d y2 = %d\n",

			      def_rect.x1, def_rect.y1,

			      def_rect.x2, def_rect.y2);

		vmw_du_update_layout(dev_priv, 1, &def_rect);

		return 0;

	}
@@ -2367,6 +2370,7 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 


	drm_rects = (struct drm_rect *)rects;



	VMW_DEBUG_KMS("Layout count = %u\n", arg->num_outputs);

	for (i = 0; i < arg->num_outputs; i++) {

		struct drm_vmw_rect curr_rect;
@@ -2383,6 +2387,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 
		drm_rects[i].x2 = curr_rect.x + curr_rect.w;

		drm_rects[i].y2 = curr_rect.y + curr_rect.h;



		VMW_DEBUG_KMS("  x1 = %d y1 = %d x2 = %d y2 = %d\n",

			      drm_rects[i].x1, drm_rects[i].y1,

			      drm_rects[i].x2, drm_rects[i].y2);



		/*

		 * Currently this check is limiting the topology within

		 * mode_config->max (which actually is max texture size