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authorMarek Vasut <marex@denx.de>2021-06-07 20:24:57 +0300
committerPhilippe Cornu <philippe.cornu@foss.st.com>2021-06-08 19:49:36 +0300
commite99168f9f08644217d052808dd611dfe43e839cb (patch)
tree089631339fe2f08bc85b6ba5af4dc70457831282 /drivers/gpu/drm/stm
parent96b7182d8c4ea2837df28dba6fe431b5c568ea58 (diff)
downloadlinux-e99168f9f08644217d052808dd611dfe43e839cb.tar.xz
drm/stm: Remove usage of drm_display_mode_to_videomode()
There is not much value in the extra conversion step, the calculations required for the LTDC IP are different than what is used in the drm_display_mode_to_videomode(), so just do the right ones in the LTDC driver right away. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Antonio Borneo <antonio.borneo@foss.st.com> Cc: Benjamin Gaignard <benjamin.gaignard@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Philippe Cornu <philippe.cornu@foss.st.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Vincent Abriou <vincent.abriou@foss.st.com> Cc: Yannick Fertre <yannick.fertre@foss.st.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-stm32@st-md-mailman.stormreply.com To: dri-devel@lists.freedesktop.org Tested-by: Yannick Fertré <yannick.fertre@st.com> Signed-off-by: Philippe Cornu <philippe.cornu@foss.st.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210607172457.14471-1-marex@denx.de
Diffstat (limited to 'drivers/gpu/drm/stm')
-rw-r--r--drivers/gpu/drm/stm/ltdc.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index e99771b947b6..08b71248044d 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -531,7 +531,6 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
struct drm_encoder *encoder = NULL;
struct drm_bridge *bridge = NULL;
struct drm_display_mode *mode = &crtc->state->adjusted_mode;
- struct videomode vm;
u32 hsync, vsync, accum_hbp, accum_vbp, accum_act_w, accum_act_h;
u32 total_width, total_height;
u32 bus_flags = 0;
@@ -570,31 +569,33 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
}
}
- drm_display_mode_to_videomode(mode, &vm);
-
DRM_DEBUG_DRIVER("CRTC:%d mode:%s\n", crtc->base.id, mode->name);
- DRM_DEBUG_DRIVER("Video mode: %dx%d", vm.hactive, vm.vactive);
+ DRM_DEBUG_DRIVER("Video mode: %dx%d", mode->hdisplay, mode->vdisplay);
DRM_DEBUG_DRIVER(" hfp %d hbp %d hsl %d vfp %d vbp %d vsl %d\n",
- vm.hfront_porch, vm.hback_porch, vm.hsync_len,
- vm.vfront_porch, vm.vback_porch, vm.vsync_len);
+ mode->hsync_start - mode->hdisplay,
+ mode->htotal - mode->hsync_end,
+ mode->hsync_end - mode->hsync_start,
+ mode->vsync_start - mode->vdisplay,
+ mode->vtotal - mode->vsync_end,
+ mode->vsync_end - mode->vsync_start);
/* Convert video timings to ltdc timings */
- hsync = vm.hsync_len - 1;
- vsync = vm.vsync_len - 1;
- accum_hbp = hsync + vm.hback_porch;
- accum_vbp = vsync + vm.vback_porch;
- accum_act_w = accum_hbp + vm.hactive;
- accum_act_h = accum_vbp + vm.vactive;
- total_width = accum_act_w + vm.hfront_porch;
- total_height = accum_act_h + vm.vfront_porch;
+ hsync = mode->hsync_end - mode->hsync_start - 1;
+ vsync = mode->vsync_end - mode->vsync_start - 1;
+ accum_hbp = mode->htotal - mode->hsync_start - 1;
+ accum_vbp = mode->vtotal - mode->vsync_start - 1;
+ accum_act_w = accum_hbp + mode->hdisplay;
+ accum_act_h = accum_vbp + mode->vdisplay;
+ total_width = mode->htotal - 1;
+ total_height = mode->vtotal - 1;
/* Configures the HS, VS, DE and PC polarities. Default Active Low */
val = 0;
- if (vm.flags & DISPLAY_FLAGS_HSYNC_HIGH)
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
val |= GCR_HSPOL;
- if (vm.flags & DISPLAY_FLAGS_VSYNC_HIGH)
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
val |= GCR_VSPOL;
if (bus_flags & DRM_BUS_FLAG_DE_LOW)