| Message ID | 20230301153101.4282-10-tzimmermann@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/dma-helper: Add dedicated fbdev emulation | expand |
Acked-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com> > -----Original Message----- > From: Thomas Zimmermann <tzimmermann@suse.de> > Sent: Wednesday, March 1, 2023 7:31 AM > To: javierm@redhat.com; maarten.lankhorst@linux.intel.com; > mripard@kernel.org; airlied@gmail.com; daniel@ffwll.ch; andrew@aj.id.au; > laurentiu.palcu@oss.nxp.com; l.stach@pengutronix.de; > shawnguo@kernel.org; s.hauer@pengutronix.de; kernel@pengutronix.de; > festevam@gmail.com; linux-imx@nxp.com; p.zabel@pengutronix.de; > Chrisanthus, Anitha <anitha.chrisanthus@intel.com>; > edmund.j.dea@intel.com; khilman@baylibre.com; jbrunet@baylibre.com; > martin.blumenstingl@googlemail.com; alain.volmat@foss.st.com; > yannick.fertre@foss.st.com; raphael.gallais-pou@foss.st.com; > philippe.cornu@foss.st.com; mcoquelin.stm32@gmail.com; > alexandre.torgue@foss.st.com; jernej.skrabec@gmail.com; > samuel@sholland.org; jyri.sarha@iki.fi; tomba@kernel.org; > linus.walleij@linaro.org; hyun.kwon@xilinx.com; > laurent.pinchart@ideasonboard.com > Cc: dri-devel@lists.freedesktop.org; linux-aspeed@lists.ozlabs.org; linux-arm- > kernel@lists.infradead.org; linux-amlogic@lists.infradead.org; linux- > stm32@st-md-mailman.stormreply.com; linux-sunxi@lists.linux.dev; Thomas > Zimmermann <tzimmermann@suse.de> > Subject: [PATCH 09/22] drm/kmb: Use GEM DMA fbdev emulation > > Use the fbdev emulation that is optimized for DMA helpers. Avoids > possible shadow buffering and makes the code simpler. > > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> > --- > drivers/gpu/drm/kmb/kmb_drv.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/kmb/kmb_drv.c > b/drivers/gpu/drm/kmb/kmb_drv.c > index d29c678f6c91..24035b53441c 100644 > --- a/drivers/gpu/drm/kmb/kmb_drv.c > +++ b/drivers/gpu/drm/kmb/kmb_drv.c > @@ -15,7 +15,7 @@ > > #include <drm/drm_atomic_helper.h> > #include <drm/drm_drv.h> > -#include <drm/drm_fbdev_generic.h> > +#include <drm/drm_fbdev_dma.h> > #include <drm/drm_gem_dma_helper.h> > #include <drm/drm_gem_framebuffer_helper.h> > #include <drm/drm_module.h> > @@ -562,7 +562,7 @@ static int kmb_probe(struct platform_device *pdev) > if (ret) > goto err_register; > > - drm_fbdev_generic_setup(&kmb->drm, 0); > + drm_fbdev_dma_setup(&kmb->drm, 0); > > return 0; > > -- > 2.39.2
Thomas Zimmermann <tzimmermann@suse.de> writes: > Use the fbdev emulation that is optimized for DMA helpers. Avoids > possible shadow buffering and makes the code simpler. > > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> > --- Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index d29c678f6c91..24035b53441c 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -15,7 +15,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_dma.h> #include <drm/drm_gem_dma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_module.h> @@ -562,7 +562,7 @@ static int kmb_probe(struct platform_device *pdev) if (ret) goto err_register; - drm_fbdev_generic_setup(&kmb->drm, 0); + drm_fbdev_dma_setup(&kmb->drm, 0); return 0;
Use the fbdev emulation that is optimized for DMA helpers. Avoids possible shadow buffering and makes the code simpler. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/gpu/drm/kmb/kmb_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)