diff mbox series

[v3,3/7] drm/vc4: use drm_hdmi_connector_mode_valid()

Message ID 20241109-hdmi-mode-valid-v3-3-5348c2368076@linaro.org (mailing list archive)
State New, archived
Headers show
Series drm/display: hdmi: add drm_hdmi_connector_mode_valid() | expand

Commit Message

Dmitry Baryshkov Nov. 9, 2024, 12:35 p.m. UTC 
Use new drm_hdmi_connector_mode_valid() helper instead of a
module-specific copy.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

kernel test robot Nov. 9, 2024, 8:29 p.m. UTC | #1 
Hi Dmitry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 929beafbe7acce3267c06115e13e03ff6e50548a]

url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-Baryshkov/drm-display-hdmi-add-generic-mode_valid-helper/20241109-203557
base:   929beafbe7acce3267c06115e13e03ff6e50548a
patch link:    https://lore.kernel.org/r/20241109-hdmi-mode-valid-v3-3-5348c2368076%40linaro.org
patch subject: [PATCH v3 3/7] drm/vc4: use drm_hdmi_connector_mode_valid()
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241110/202411100456.0JcsAx2b-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241110/202411100456.0JcsAx2b-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411100456.0JcsAx2b-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/vc4/vc4_hdmi.c: In function 'vc4_hdmi_encoder_mode_valid':
>> drivers/gpu/drm/vc4/vc4_hdmi.c:1762:68: warning: passing argument 2 of 'drm_hdmi_connector_mode_valid' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    1762 |         return drm_hdmi_connector_mode_valid(&vc4_hdmi->connector, mode);
         |                                                                    ^~~~
   In file included from drivers/gpu/drm/vc4/vc4_hdmi.c:35:
   include/drm/display/drm_hdmi_state_helper.h:25:56: note: expected 'struct drm_display_mode *' but argument is of type 'const struct drm_display_mode *'
      25 |                               struct drm_display_mode *mode);
         |                               ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~


vim +1762 drivers/gpu/drm/vc4/vc4_hdmi.c

  1749	
  1750	static enum drm_mode_status
  1751	vc4_hdmi_encoder_mode_valid(struct drm_encoder *encoder,
  1752				    const struct drm_display_mode *mode)
  1753	{
  1754		struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
  1755	
  1756		if (vc4_hdmi->variant->unsupported_odd_h_timings &&
  1757		    !(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
  1758		    ((mode->hdisplay % 2) || (mode->hsync_start % 2) ||
  1759		     (mode->hsync_end % 2) || (mode->htotal % 2)))
  1760			return MODE_H_ILLEGAL;
  1761	
> 1762		return drm_hdmi_connector_mode_valid(&vc4_hdmi->connector, mode);
  1763	}
  1764
kernel test robot Nov. 9, 2024, 10:44 p.m. UTC | #2 
Hi Dmitry,

kernel test robot noticed the following build errors:

[auto build test ERROR on 929beafbe7acce3267c06115e13e03ff6e50548a]

url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-Baryshkov/drm-display-hdmi-add-generic-mode_valid-helper/20241109-203557
base:   929beafbe7acce3267c06115e13e03ff6e50548a
patch link:    https://lore.kernel.org/r/20241109-hdmi-mode-valid-v3-3-5348c2368076%40linaro.org
patch subject: [PATCH v3 3/7] drm/vc4: use drm_hdmi_connector_mode_valid()
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241110/202411100659.T6WKBFbI-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241110/202411100659.T6WKBFbI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411100659.T6WKBFbI-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/vc4/vc4_hdmi.c:37:
   In file included from include/drm/drm_atomic_helper.h:31:
   In file included from include/drm/drm_crtc.h:32:
   In file included from include/drm/drm_modes.h:33:
   In file included from include/drm/drm_connector.h:32:
   In file included from include/drm/drm_util.h:36:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   In file included from include/linux/mm.h:2223:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/vc4/vc4_hdmi.c:1762:61: error: passing 'const struct drm_display_mode *' to parameter of type 'struct drm_display_mode *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
    1762 |         return drm_hdmi_connector_mode_valid(&vc4_hdmi->connector, mode);
         |                                                                    ^~~~
   include/drm/display/drm_hdmi_state_helper.h:25:35: note: passing argument to parameter 'mode' here
      25 |                               struct drm_display_mode *mode);
         |                                                        ^
   4 warnings and 1 error generated.


vim +1762 drivers/gpu/drm/vc4/vc4_hdmi.c

  1749	
  1750	static enum drm_mode_status
  1751	vc4_hdmi_encoder_mode_valid(struct drm_encoder *encoder,
  1752				    const struct drm_display_mode *mode)
  1753	{
  1754		struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
  1755	
  1756		if (vc4_hdmi->variant->unsupported_odd_h_timings &&
  1757		    !(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
  1758		    ((mode->hdisplay % 2) || (mode->hsync_start % 2) ||
  1759		     (mode->hsync_end % 2) || (mode->htotal % 2)))
  1760			return MODE_H_ILLEGAL;
  1761	
> 1762		return drm_hdmi_connector_mode_valid(&vc4_hdmi->connector, mode);
  1763	}
  1764
diff mbox series

Patch

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 62b82b1eeb3694d1685969c49b2760cbbddc840e..486e513b898d7f761e8615f2afc193ca44b23200 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1752,7 +1752,6 @@  vc4_hdmi_encoder_mode_valid(struct drm_encoder *encoder,
 			    const struct drm_display_mode *mode)
 {
 	struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
-	unsigned long long rate;
 
 	if (vc4_hdmi->variant->unsupported_odd_h_timings &&
 	    !(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
@@ -1760,8 +1759,7 @@  vc4_hdmi_encoder_mode_valid(struct drm_encoder *encoder,
 	     (mode->hsync_end % 2) || (mode->htotal % 2)))
 		return MODE_H_ILLEGAL;
 
-	rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB);
-	return vc4_hdmi_connector_clock_valid(&vc4_hdmi->connector, mode, rate);
+	return drm_hdmi_connector_mode_valid(&vc4_hdmi->connector, mode);
 }
 
 static const struct drm_encoder_helper_funcs vc4_hdmi_encoder_helper_funcs = {