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SubjectRe: [PATCH] drm/msm/display: negative x/y in cursor move
Hi Carsten,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robclark/msm-next]
[also build test WARNING on v4.18-rc5 next-20180716]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Carsten-Behling/drm-msm-display-negative-x-y-in-cursor-move/20180717-031351
base: git://people.freedesktop.org/~robclark/linux msm-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm64

All warnings (new ones prefixed by >>):

In file included from include/drm/drm_mm.h:49:0,
from include/drm/drmP.h:73,
from include/drm/drm_modeset_helper.h:26,
from include/drm/drm_crtc_helper.h:44,
from drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:22:
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c: In function 'mdp5_crtc_restore_cursor':
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:6: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'uint32_t {aka unsigned int}' [-Wformat=]
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
^
include/drm/drm_print.h:285:25: note: in definition of macro 'DRM_DEBUG_DRIVER'
drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
^~~
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:2: note: in expansion of macro 'DBG'
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
^~~
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:8: note: format string is defined here
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
~^
%d
In file included from include/drm/drm_mm.h:49:0,
from include/drm/drmP.h:73,
from include/drm/drm_modeset_helper.h:26,
from include/drm/drm_crtc_helper.h:44,
from drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:22:
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:6: warning: format '%d' expects a matching 'int' argument [-Wformat=]
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
^
include/drm/drm_print.h:285:25: note: in definition of macro 'DRM_DEBUG_DRIVER'
drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
^~~
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:2: note: in expansion of macro 'DBG'
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
^~~
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:831:56: note: format string is defined here
DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
~^

vim +831 drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c

789
790 static void mdp5_crtc_restore_cursor(struct drm_crtc *crtc)
791 {
792 struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
793 struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
794 struct mdp5_kms *mdp5_kms = get_kms(crtc);
795 const enum mdp5_cursor_alpha cur_alpha = CURSOR_ALPHA_PER_PIXEL;
796 uint32_t blendcfg, stride;
797 uint32_t x, y, src_x, src_y, width, height;
798 uint32_t roi_w, roi_h;
799 int lm;
800
801 assert_spin_locked(&mdp5_crtc->cursor.lock);
802
803 lm = mdp5_cstate->pipeline.mixer->lm;
804
805 x = mdp5_crtc->cursor.x;
806 y = mdp5_crtc->cursor.y;
807 width = mdp5_crtc->cursor.width;
808 height = mdp5_crtc->cursor.height;
809
810 stride = width * drm_format_plane_cpp(DRM_FORMAT_ARGB8888, 0);
811
812 get_roi(crtc, &roi_w, &roi_h);
813
814 /* If cusror buffer overlaps due to rotation on the
815 * upper or left screen border the pixel offset inside
816 * the cursor buffer of the ROI is the positive overlap
817 * distance.
818 */
819 if (mdp5_crtc->cursor.x < 0) {
820 src_x = abs(mdp5_crtc->cursor.x);
821 x = 0;
822 } else {
823 src_x = 0;
824 }
825 if (mdp5_crtc->cursor.y < 0) {
826 src_y = abs(mdp5_crtc->cursor.y);
827 y = 0;
828 } else {
829 src_y = 0;
830 }
> 831 DBG("%s: x=%d, y=%d roi_w=%d roi_h=%d src_x=%d src_y=%d",
832 x, y, roi_w, roi_h, src_x, src_y);
833
834 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_STRIDE(lm), stride);
835 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_FORMAT(lm),
836 MDP5_LM_CURSOR_FORMAT_FORMAT(CURSOR_FMT_ARGB8888));
837 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_IMG_SIZE(lm),
838 MDP5_LM_CURSOR_IMG_SIZE_SRC_H(height) |
839 MDP5_LM_CURSOR_IMG_SIZE_SRC_W(width));
840 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(lm),
841 MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) |
842 MDP5_LM_CURSOR_SIZE_ROI_W(roi_w));
843 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_START_XY(lm),
844 MDP5_LM_CURSOR_START_XY_Y_START(y) |
845 MDP5_LM_CURSOR_START_XY_X_START(x));
846 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_XY(lm),
847 MDP5_LM_CURSOR_XY_SRC_Y(src_y) |
848 MDP5_LM_CURSOR_XY_SRC_X(src_x));
849 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BASE_ADDR(lm),
850 mdp5_crtc->cursor.iova);
851
852 blendcfg = MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_EN;
853 blendcfg |= MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_ALPHA_SEL(cur_alpha);
854 mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BLEND_CONFIG(lm), blendcfg);
855 }
856

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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