From: Marek Vasut <marex@denx.de> To: dri-devel@lists.freedesktop.org Cc: Marek Vasut <marex@denx.de>, Alexandre Torgue <alexandre.torgue@foss.st.com>, Antonio Borneo <antonio.borneo@foss.st.com>, Benjamin Gaignard <benjamin.gaignard@foss.st.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Philippe Cornu <philippe.cornu@foss.st.com>, Sam Ravnborg <sam@ravnborg.org>, Vincent Abriou <vincent.abriou@foss.st.com>, Yannick Fertre <yannick.fertre@foss.st.com>, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH] drm/stm: Remove usage of drm_display_mode_to_videomode() Date: Mon, 7 Jun 2021 19:24:57 +0200 [thread overview] Message-ID: <20210607172457.14471-1-marex@denx.de> (raw) 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 --- drivers/gpu/drm/stm/ltdc.c | 33 +++++++++++++++++---------------- 1 file 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) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Marek Vasut <marex@denx.de> To: dri-devel@lists.freedesktop.org Cc: Marek Vasut <marex@denx.de>, Antonio Borneo <antonio.borneo@foss.st.com>, Benjamin Gaignard <benjamin.gaignard@foss.st.com>, Yannick Fertre <yannick.fertre@foss.st.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, Vincent Abriou <vincent.abriou@foss.st.com>, Philippe Cornu <philippe.cornu@foss.st.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Sam Ravnborg <sam@ravnborg.org>, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH] drm/stm: Remove usage of drm_display_mode_to_videomode() Date: Mon, 7 Jun 2021 19:24:57 +0200 [thread overview] Message-ID: <20210607172457.14471-1-marex@denx.de> (raw) 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 --- drivers/gpu/drm/stm/ltdc.c | 33 +++++++++++++++++---------------- 1 file 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) -- 2.30.2
next reply other threads:[~2021-06-07 17:30 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-07 17:24 Marek Vasut [this message] 2021-06-07 17:24 ` [PATCH] drm/stm: Remove usage of drm_display_mode_to_videomode() Marek Vasut 2021-06-08 16:56 ` Philippe CORNU 2021-06-08 16:56 ` Philippe CORNU -- strict thread matches above, loose matches on Subject: below -- 2021-05-28 8:05 Yannick Fertre 2021-05-28 8:05 ` Yannick Fertre 2021-05-28 14:01 ` yannick Fertre 2021-05-28 14:01 ` yannick Fertre 2021-06-01 10:19 ` Philippe CORNU 2021-06-01 10:19 ` Philippe CORNU 2020-12-24 6:20 Marek Vasut 2020-12-24 6:20 ` Marek Vasut 2021-01-07 8:27 ` Yannick FERTRE 2021-01-07 8:27 ` Yannick FERTRE
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210607172457.14471-1-marex@denx.de \ --to=marex@denx.de \ --cc=alexandre.torgue@foss.st.com \ --cc=antonio.borneo@foss.st.com \ --cc=benjamin.gaignard@foss.st.com \ --cc=dri-devel@lists.freedesktop.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-stm32@st-md-mailman.stormreply.com \ --cc=mcoquelin.stm32@gmail.com \ --cc=philippe.cornu@foss.st.com \ --cc=sam@ravnborg.org \ --cc=vincent.abriou@foss.st.com \ --cc=yannick.fertre@foss.st.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.