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drm/vmwgfx: Add debug message for layout change ioctl

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

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2019-05-09 11:47:40 -07:00 committed by Thomas Hellstrom
parent e7f7287bf5
commit 745adc3f92
2 changed files with 16 additions and 0 deletions
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8
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -1333,6 +1333,14 @@ 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__)
/**
* Inline helper functions
*/

8
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -2339,6 +2339,9 @@ 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;
}
@ -2359,6 +2362,7 @@ 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;
@ -2375,6 +2379,10 @@ 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