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Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch to a multiple of 8. Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> Cc: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> --- drivers/gpu/drm/omapdrm/omap_gem.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index b9c67e4ca360..b8413a2dcdeb 100644 --- a/drivers/gpu/dr...

On Thu, Jan 16, 2025 at 11:03?AM Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> wrote: > On 16/01/2025 10:09, Thomas Zimmermann wrote: > > Am 15.01.25 um 15:20 schrieb Tomi Valkeinen: > > [...] > >> > >> My point is that we have the current UAPI, and we have userspace using > >> it, but we don...

...Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> > Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org> > Cc: Linus Torvalds <torvalds at linux-foundation.org> > Cc: Ben Skeggs <bskeggs at redhat.com> > Cc: nouveau at lists.freedesktop.org > Cc: Tomi Valkeinen <tomi.valkeinen at ti.com> > Cc: Daniel Vetter <daniel.vetter at ffwll.ch> > Cc: Jiri Slaby <jirislaby at kernel.org> > Cc: "Gustavo A. R. Silva" <gustavoars at kernel.org> > Cc: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> > Cc: Peilin...

...referenced directly from the omap and DRM device structures. A later > patchset might rework the common fbdev client to allow for storing > both, drm_fb_helper and omap_fbdev, together in the same place. > > Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> > Cc: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> > Acked-by: Javier Martinez Canillas <javierm at redhat.com> > --- > drivers/gpu/drm/omapdrm/omap_drv.h | 3 ++ > drivers/gpu/drm/omapdrm/omap_fbdev.c | 42 +++++++++++++++------------- > 2 files changed, 26 insertions(+), 19 de...

On Thu, Jan 16, 2025 at 11:17:50AM +0100, Geert Uytterhoeven wrote: > On Thu, Jan 16, 2025 at 11:03?AM Tomi Valkeinen > <tomi.valkeinen at ideasonboard.com> wrote: > > On 16/01/2025 10:09, Thomas Zimmermann wrote: > > > Am 15.01.25 um 15:20 schrieb Tomi Valkeinen: > > > [...] > > >> > > >> My point is that we have the current UAPI, and we have userspace usin...

Hi, On 16/01/2025 10:09, Thomas Zimmermann wrote: > Hi > > > Am 15.01.25 um 15:20 schrieb Tomi Valkeinen: > [...] >> >> My point is that we have the current UAPI, and we have userspace using >> it, but we don't have clear rules what the ioctl does with specific >> parameters, and we don't document how it has to be used. >> >> Perhaps the situation is ba...

Hi, On 19/01/2025 13:29, Sui Jingfeng wrote: > Hi, > > On 2025/1/16 18:35, Dmitry Baryshkov wrote: >> On Thu, Jan 16, 2025 at 11:17:50AM +0100, Geert Uytterhoeven wrote: >>> On Thu, Jan 16, 2025 at 11:03?AM Tomi Valkeinen >>> <tomi.valkeinen at ideasonboard.com> wrote: >>>> On 16/01/2025 10:09, Thomas Zimmermann wrote: >>>>> Am 15.01.25 um 15:20 schrieb Tomi Valkeinen: >>>>> [...] >>>>>> My point is that we have the current UAPI, and we have...

Hi Am 15.01.25 um 11:13 schrieb Tomi Valkeinen: > Hi! > > On 09/01/2025 16:57, Thomas Zimmermann wrote: >> Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and >> buffer size. Align the pitch according to hardware requirements. >> >> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>...

Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch according to hardware requirements. Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com> Cc: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> --- drivers/gpu/drm/xlnx/zynqmp_kms.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index b47463473472..7ea0cd4f71d3 100644 --- a/drivers/gpu/drm/xlnx/zynqm...

...; Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and > buffer size. Align the pitch according to hardware requirements. > > Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> > Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com> > Cc: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> > --- > drivers/gpu/drm/xlnx/zynqmp_kms.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c > index b47463473472..7ea0cd4f71d3 100644...

Hi, On 20/01/2025 09:49, Thomas Zimmermann wrote: > Hi > > > Am 16.01.25 um 11:03 schrieb Tomi Valkeinen: > [...] >> Aligning video= and dumb buffers almost sounds like going backwards. >> video= parameter is bad, > > Who told you that? Video= is still the way to specify an initial display > mode to the kernel and it will remain so. You did =). "It aligns dumb buffers...

On Wed, 15 Jan 2025 at 14:20, Tomi Valkeinen <tomi.valkeinen at ideasonboard.com> wrote: > No disagreement there, we need CREATE_DUMB2. > > My point is that we have the current UAPI, and we have userspace using > it, but we don't have clear rules what the ioctl does with specific > parameters, and we don't documen...

Hi, On 2025/1/16 18:35, Dmitry Baryshkov wrote: > On Thu, Jan 16, 2025 at 11:17:50AM +0100, Geert Uytterhoeven wrote: >> On Thu, Jan 16, 2025 at 11:03?AM Tomi Valkeinen >> <tomi.valkeinen at ideasonboard.com> wrote: >>> On 16/01/2025 10:09, Thomas Zimmermann wrote: >>>> Am 15.01.25 um 15:20 schrieb Tomi Valkeinen: >>>> [...] >>>>> My point is that we have the current UAPI, and we have userspace using >...

On 15/01/2025 15:45, Thomas Zimmermann wrote: > Hi > > > Am 15.01.25 um 14:33 schrieb Tomi Valkeinen: > [...] >>> Yeah, there are constrains in the scanline and buffer alignments and >>> orientation. And if we say that bpp==12 means NV12, it will be a >>> problem for all other cases where bpp==12 makes sense. >> >> I feel I still don't quite understa...

...aby at kernel.org> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org> Cc: Linus Torvalds <torvalds at linux-foundation.org> Cc: Ben Skeggs <bskeggs at redhat.com> Cc: nouveau at lists.freedesktop.org Cc: Tomi Valkeinen <tomi.valkeinen at ti.com> Cc: Daniel Vetter <daniel.vetter at ffwll.ch> Cc: Jiri Slaby <jirislaby at kernel.org> Cc: "Gustavo A. R. Silva" <gustavoars at kernel.org> Cc: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> Cc: Peilin Ye <yepeilin.cs at gm...

...> >> Cc: Russell King <linux at armlinux.org.uk> >> Cc: CK Hu <ck.hu at mediatek.com> >> Cc: Philipp Zabel <p.zabel at pengutronix.de> >> Cc: Rob Clark <robdclark at gmail.com> >> Cc: Ben Skeggs <bskeggs at redhat.com> >> Cc: Tomi Valkeinen <tomi.valkeinen at ti.com> >> Cc: Sandy Huang <hjc at rock-chips.com> >> Cc: "Heiko Stübner" <heiko at sntech.de> >> Cc: Benjamin Gaignard <benjamin.gaignard at linaro.org> >> Cc: Vincent Abriou <vincent.abriou at st.com> >> Cc:...

Hi, On 15/01/2025 12:26, Thomas Zimmermann wrote: > Hi > > > Am 15.01.25 um 11:13 schrieb Tomi Valkeinen: >> Hi! >> >> On 09/01/2025 16:57, Thomas Zimmermann wrote: >>> Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and >>> buffer size. Align the pitch according to hardware requirements. >>> >>> Signed-off-by: Thomas Zimmermann &lt...

...>> Cc: Rob Clark <robdclark at gmail.com> >> Cc: Ben Skeggs <bskeggs at redhat.com> >> Cc: Thierry Reding <thierry.reding at gmail.com> >> Cc: Jonathan Hunter <jonathanh at nvidia.com> >> Cc: Jyri Sarha <jsarha at ti.com> >> Cc: Tomi Valkeinen <tomi.valkeinen at ti.com> >> Cc: Eric Anholt <eric at anholt.net> >> Cc: dri-devel at lists.freedesktop.org >> Cc: linux-kernel at vger.kernel.org >> Cc: intel-gfx at lists.freedesktop.org >> Cc: linux-arm-kernel at lists.infradead.org >> Cc: linux-m...

Hi, On 16/01/2025 11:38, Laurent Pinchart wrote: > On Thu, Jan 16, 2025 at 10:43:40AM +0200, Laurent Pinchart wrote: >> On Wed, Jan 15, 2025 at 02:34:26PM +0000, Daniel Stone wrote: >>> On Wed, 15 Jan 2025 at 14:20, Tomi Valkeinen wrote: >>>> No disagreement there, we need CREATE_DUMB2. >>>> >>>> My point is that we have the current UAPI, and we have userspace using >>>> it, but we don't have clear rules what the ioctl does with specific >>>> parameters, and we...

...at armlinux.org.uk> >>>> Cc: CK Hu <ck.hu at mediatek.com> >>>> Cc: Philipp Zabel <p.zabel at pengutronix.de> >>>> Cc: Rob Clark <robdclark at gmail.com> >>>> Cc: Ben Skeggs <bskeggs at redhat.com> >>>> Cc: Tomi Valkeinen <tomi.valkeinen at ti.com> >>>> Cc: Sandy Huang <hjc at rock-chips.com> >>>> Cc: "Heiko Stübner" <heiko at sntech.de> >>>> Cc: Benjamin Gaignard <benjamin.gaignard at linaro.org> >>>> Cc: Vincent Abriou <vincent.ab...