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[209.132.180.67]) by mx.google.com with ESMTP id m63si1735143pfj.107.2019.03.20.07.25.23; Wed, 20 Mar 2019 07:25:39 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727363AbfCTOYb (ORCPT + 99 others); Wed, 20 Mar 2019 10:24:31 -0400 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:47197 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726123AbfCTOYb (ORCPT ); Wed, 20 Mar 2019 10:24:31 -0400 X-Originating-IP: 90.88.33.153 Received: from aptenodytes (aaubervilliers-681-1-92-153.w90-88.abo.wanadoo.fr [90.88.33.153]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 88BF820006; Wed, 20 Mar 2019 14:24:26 +0000 (UTC) Message-ID: <2ef894df9d9e79d4a89e745e95c79bbb6a2505e4.camel@bootlin.com> Subject: Re: [RFC PATCH 03/20] drm/fourcc: Pass the format_info pointer to drm_format_plane_cpp From: Paul Kocialkowski To: Maxime Ripard , Daniel Vetter , David Airlie , Maarten Lankhorst , Sean Paul , Mauro Carvalho Chehab Cc: Sakari Ailus , Hans Verkuil , Laurent Pinchart , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Date: Wed, 20 Mar 2019 15:24:26 +0100 In-Reply-To: <6e5850afb02cc2851fe3229122fb3cb4869dc108.1553032382.git-series.maxime.ripard@bootlin.com> References: <6e5850afb02cc2851fe3229122fb3cb4869dc108.1553032382.git-series.maxime.ripard@bootlin.com> Organization: Bootlin Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Le mardi 19 mars 2019 à 22:57 +0100, Maxime Ripard a écrit : > So far, the drm_format_plane_cpp function was operating on the format's > fourcc and was doing a lookup to retrieve the drm_format_info structure and > return the cpp. > > However, this is inefficient since in most cases, we will have the > drm_format_info pointer already available so we shouldn't have to perform a > new lookup. Some drm_fourcc functions also already operate on the > drm_format_info pointer for that reason, so the API is quite inconsistent > there. Well, it seems that drm_fourcc functions that take a drm_format_info have a drm_format_info prefix, so having this would be more consistent. And given what the helper does, I think it would make good sense to switch it over to an inline drm_format_info_plane_cpp helper. What do you think? Cheers, Paul > Let's follow the latter pattern and remove the extra lookup while being a > bit more consistent. > > Signed-off-by: Maxime Ripard > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 4 +++- > drivers/gpu/drm/arm/malidp_hw.c | 4 +++- > drivers/gpu/drm/cirrus/cirrus_fbdev.c | 4 +++- > drivers/gpu/drm/cirrus/cirrus_main.c | 4 +++- > drivers/gpu/drm/drm_client.c | 3 ++- > drivers/gpu/drm/drm_fb_helper.c | 2 +- > drivers/gpu/drm/drm_fourcc.c | 7 ++----- > drivers/gpu/drm/i915/intel_sprite.c | 3 ++- > drivers/gpu/drm/mediatek/mtk_drm_fb.c | 2 +- > drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 3 ++- > drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c | 2 +- > drivers/gpu/drm/msm/msm_fb.c | 2 +- > drivers/gpu/drm/radeon/radeon_fb.c | 4 +++- > drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 2 +- > drivers/gpu/drm/stm/ltdc.c | 2 +- > drivers/gpu/drm/tegra/fb.c | 2 +- > drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c | 2 +- > drivers/gpu/drm/zte/zx_plane.c | 2 +- > include/drm/drm_fourcc.h | 2 +- > 19 files changed, 33 insertions(+), 23 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c > index 5cbde74b97dd..48170a843b48 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c > @@ -123,6 +123,8 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, > struct drm_mode_fb_cmd2 *mode_cmd, > struct drm_gem_object **gobj_p) > { > + const struct drm_format_info *info = drm_get_format_info(dev, > + mode_cmd); > struct amdgpu_device *adev = rfbdev->adev; > struct drm_gem_object *gobj = NULL; > struct amdgpu_bo *abo = NULL; > @@ -133,7 +135,7 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, > int height = mode_cmd->height; > u32 cpp; > > - cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0); > + cpp = drm_format_plane_cpp(info, 0); > > /* need to align pitch with crtc limits */ > mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, cpp, > diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c > index b9bed1138fa3..07971ad53b29 100644 > --- a/drivers/gpu/drm/arm/malidp_hw.c > +++ b/drivers/gpu/drm/arm/malidp_hw.c > @@ -326,12 +326,14 @@ static void malidp500_modeset(struct malidp_hw_device *hwdev, struct videomode * > > static int malidp500_rotmem_required(struct malidp_hw_device *hwdev, u16 w, u16 h, u32 fmt) > { > + const struct drm_format_info *info = drm_format_info(fmt); > + > /* > * Each layer needs enough rotation memory to fit 8 lines > * worth of pixel data. Required size is then: > * size = rotated_width * (bpp / 8) * 8; > */ > - return w * drm_format_plane_cpp(fmt, 0) * 8; > + return w * drm_format_plane_cpp(info, 0) * 8; > } > > static void malidp500_se_write_pp_coefftab(struct malidp_hw_device *hwdev, > diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c > index 39df62acac69..759847bafda8 100644 > --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c > +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c > @@ -137,6 +137,8 @@ static int cirrusfb_create_object(struct cirrus_fbdev *afbdev, > const struct drm_mode_fb_cmd2 *mode_cmd, > struct drm_gem_object **gobj_p) > { > + const struct drm_format_info *info = drm_get_format_info(dev, > + mode_cmd); > struct drm_device *dev = afbdev->helper.dev; > struct cirrus_device *cdev = dev->dev_private; > u32 bpp; > @@ -144,7 +146,7 @@ static int cirrusfb_create_object(struct cirrus_fbdev *afbdev, > struct drm_gem_object *gobj; > int ret = 0; > > - bpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0) * 8; > + bpp = drm_format_plane_cpp(info, 0) * 8; > > if (!cirrus_check_framebuffer(cdev, mode_cmd->width, mode_cmd->height, > bpp, mode_cmd->pitches[0])) > diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c > index 57f8fe6d020b..66d0d2c5211d 100644 > --- a/drivers/gpu/drm/cirrus/cirrus_main.c > +++ b/drivers/gpu/drm/cirrus/cirrus_main.c > @@ -41,13 +41,15 @@ cirrus_user_framebuffer_create(struct drm_device *dev, > struct drm_file *filp, > const struct drm_mode_fb_cmd2 *mode_cmd) > { > + const struct drm_format_info *info = drm_get_format_info(dev, > + mode_cmd); > struct cirrus_device *cdev = dev->dev_private; > struct drm_gem_object *obj; > struct drm_framebuffer *fb; > u32 bpp; > int ret; > > - bpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0) * 8; > + bpp = drm_format_plane_cpp(info, 0) * 8; > > if (!cirrus_check_framebuffer(cdev, mode_cmd->width, mode_cmd->height, > bpp, mode_cmd->pitches[0])) > diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c > index 9b2bd28dde0a..305d6dd5d201 100644 > --- a/drivers/gpu/drm/drm_client.c > +++ b/drivers/gpu/drm/drm_client.c > @@ -242,6 +242,7 @@ static void drm_client_buffer_delete(struct drm_client_buffer *buffer) > static struct drm_client_buffer * > drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format) > { > + const struct drm_format_info *info = drm_format_info(format); > struct drm_mode_create_dumb dumb_args = { }; > struct drm_device *dev = client->dev; > struct drm_client_buffer *buffer; > @@ -257,7 +258,7 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u > > dumb_args.width = width; > dumb_args.height = height; > - dumb_args.bpp = drm_format_plane_cpp(format, 0) * 8; > + dumb_args.bpp = drm_format_plane_cpp(info, 0) * 8; > ret = drm_mode_create_dumb(dev, &dumb_args, client->file); > if (ret) > goto err_delete; > diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c > index 04d23cb430bf..257a9c995057 100644 > --- a/drivers/gpu/drm/drm_fb_helper.c > +++ b/drivers/gpu/drm/drm_fb_helper.c > @@ -768,7 +768,7 @@ static void drm_fb_helper_dirty_blit_real(struct drm_fb_helper *fb_helper, > struct drm_clip_rect *clip) > { > struct drm_framebuffer *fb = fb_helper->fb; > - unsigned int cpp = drm_format_plane_cpp(fb->format->format, 0); > + unsigned int cpp = drm_format_plane_cpp(fb->format, 0); > size_t offset = clip->y1 * fb->pitches[0] + clip->x1 * cpp; > void *src = fb_helper->fbdev->screen_buffer + offset; > void *dst = fb_helper->buffer->vaddr + offset; > diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c > index 04be330b7cae..d8ada4cb689e 100644 > --- a/drivers/gpu/drm/drm_fourcc.c > +++ b/drivers/gpu/drm/drm_fourcc.c > @@ -307,17 +307,14 @@ EXPORT_SYMBOL(drm_get_format_info); > > /** > * drm_format_plane_cpp - determine the bytes per pixel value > - * @format: pixel format (DRM_FORMAT_*) > + * @format: pixel format info > * @plane: plane index > * > * Returns: > * The bytes per pixel value for the specified plane. > */ > -int drm_format_plane_cpp(uint32_t format, int plane) > +int drm_format_plane_cpp(const struct drm_format_info *info, int plane) > { > - const struct drm_format_info *info; > - > - info = drm_format_info(format); > if (!info || plane >= info->num_planes) > return 0; > > diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c > index b56a1a9ad01d..ee0e99b13532 100644 > --- a/drivers/gpu/drm/i915/intel_sprite.c > +++ b/drivers/gpu/drm/i915/intel_sprite.c > @@ -297,7 +297,8 @@ skl_plane_max_stride(struct intel_plane *plane, > u32 pixel_format, u64 modifier, > unsigned int rotation) > { > - int cpp = drm_format_plane_cpp(pixel_format, 0); > + const struct drm_format_info *info = drm_format_info(pixel_format); > + int cpp = drm_format_plane_cpp(info, 0); > > /* > * "The stride in bytes must not exceed the > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.c b/drivers/gpu/drm/mediatek/mtk_drm_fb.c > index 68fdef8b12bd..af90c84e9e02 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_fb.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_fb.c > @@ -104,7 +104,7 @@ struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev, > if (!gem) > return ERR_PTR(-ENOENT); > > - bpp = drm_format_plane_cpp(cmd->pixel_format, 0); > + bpp = drm_format_plane_cpp(info, 0); > size = (height - 1) * cmd->pitches[0] + width * bpp; > size += cmd->offsets[0]; > > diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c > index b0cf63c4e3d7..aadae21f8818 100644 > --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c > +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c > @@ -782,6 +782,7 @@ static void get_roi(struct drm_crtc *crtc, uint32_t *roi_w, uint32_t *roi_h) > > static void mdp5_crtc_restore_cursor(struct drm_crtc *crtc) > { > + const struct drm_format_info *info = drm_format_info(DRM_FORMAT_ARGB8888); > struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state); > struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); > struct mdp5_kms *mdp5_kms = get_kms(crtc); > @@ -800,7 +801,7 @@ static void mdp5_crtc_restore_cursor(struct drm_crtc *crtc) > width = mdp5_crtc->cursor.width; > height = mdp5_crtc->cursor.height; > > - stride = width * drm_format_plane_cpp(DRM_FORMAT_ARGB8888, 0); > + stride = width * drm_format_plane_cpp(info, 0); > > get_roi(crtc, &roi_w, &roi_h); > > diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c > index b30b2f4efc60..03d503d8c3ba 100644 > --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c > +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c > @@ -158,7 +158,7 @@ uint32_t mdp5_smp_calculate(struct mdp5_smp *smp, > for (i = 0; i < nplanes; i++) { > int n, fetch_stride, cpp; > > - cpp = drm_format_plane_cpp(fmt, i); > + cpp = drm_format_plane_cpp(info, i); > fetch_stride = width * cpp / (i ? hsub : 1); > > n = DIV_ROUND_UP(fetch_stride * nlines, smp->blk_size); > diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c > index f69c0afd6ec6..ee91058c7974 100644 > --- a/drivers/gpu/drm/msm/msm_fb.c > +++ b/drivers/gpu/drm/msm/msm_fb.c > @@ -181,7 +181,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev, > unsigned int min_size; > > min_size = (height - 1) * mode_cmd->pitches[i] > - + width * drm_format_plane_cpp(mode_cmd->pixel_format, i) > + + width * drm_format_plane_cpp(info, i) > + mode_cmd->offsets[i]; > > if (bos[i]->size < min_size) { > diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c > index 1179034024ae..88fc1a6e2e43 100644 > --- a/drivers/gpu/drm/radeon/radeon_fb.c > +++ b/drivers/gpu/drm/radeon/radeon_fb.c > @@ -125,6 +125,8 @@ static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev, > struct drm_mode_fb_cmd2 *mode_cmd, > struct drm_gem_object **gobj_p) > { > + const struct drm_format_info *info = drm_get_format_info(dev, > + mode_cmd); > struct radeon_device *rdev = rfbdev->rdev; > struct drm_gem_object *gobj = NULL; > struct radeon_bo *rbo = NULL; > @@ -135,7 +137,7 @@ static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev, > int height = mode_cmd->height; > u32 cpp; > > - cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0); > + cpp = drm_format_plane_cpp(info, 0); > > /* need to align pitch with crtc limits */ > mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, cpp, > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c > index c318fae28581..c602cb2f4d3c 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c > @@ -98,7 +98,7 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, > > min_size = (height - 1) * mode_cmd->pitches[i] + > mode_cmd->offsets[i] + > - width * drm_format_plane_cpp(mode_cmd->pixel_format, i); > + width * drm_format_plane_cpp(info, i); > > if (obj->size < min_size) { > drm_gem_object_put_unlocked(obj); > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c > index b1741a9d5be2..b226df7dbf6f 100644 > --- a/drivers/gpu/drm/stm/ltdc.c > +++ b/drivers/gpu/drm/stm/ltdc.c > @@ -779,7 +779,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane, > > /* Configures the color frame buffer pitch in bytes & line length */ > pitch_in_bytes = fb->pitches[0]; > - line_length = drm_format_plane_cpp(fb->format->format, 0) * > + line_length = drm_format_plane_cpp(fb->format, 0) * > (x1 - x0 + 1) + (ldev->caps.bus_width >> 3) - 1; > val = ((pitch_in_bytes << 16) | line_length); > reg_update_bits(ldev->regs, LTDC_L1CFBLR + lofs, > diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c > index ddf2c764f24c..0a97458b286a 100644 > --- a/drivers/gpu/drm/tegra/fb.c > +++ b/drivers/gpu/drm/tegra/fb.c > @@ -149,7 +149,7 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, > goto unreference; > } > > - bpp = drm_format_plane_cpp(cmd->pixel_format, i); > + bpp = drm_format_plane_cpp(info, i); > > size = (height - 1) * cmd->pitches[i] + > width * bpp + cmd->offsets[i]; > diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c > index 2737b6fdadc8..57dda9d1a45d 100644 > --- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c > +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c > @@ -36,7 +36,7 @@ MODULE_PARM_DESC(spi_max, "Set a lower SPI max transfer size"); > void tinydrm_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb, > struct drm_rect *clip) > { > - unsigned int cpp = drm_format_plane_cpp(fb->format->format, 0); > + unsigned int cpp = drm_format_plane_cpp(fb->format, 0); > unsigned int pitch = fb->pitches[0]; > void *src = vaddr + (clip->y1 * pitch) + (clip->x1 * cpp); > size_t len = (clip->x2 - clip->x1) * cpp; > diff --git a/drivers/gpu/drm/zte/zx_plane.c b/drivers/gpu/drm/zte/zx_plane.c > index c6a8be444300..41bd0db4e876 100644 > --- a/drivers/gpu/drm/zte/zx_plane.c > +++ b/drivers/gpu/drm/zte/zx_plane.c > @@ -222,7 +222,7 @@ static void zx_vl_plane_atomic_update(struct drm_plane *plane, > cma_obj = drm_fb_cma_get_gem_obj(fb, i); > paddr = cma_obj->paddr + fb->offsets[i]; > paddr += src_y * fb->pitches[i]; > - paddr += src_x * drm_format_plane_cpp(format, i); > + paddr += src_x * drm_format_plane_cpp(fb->format, i); > zx_writel(paddr_reg, paddr); > paddr_reg += 4; > } > diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h > index eeec449d6c6a..97a58f3e7462 100644 > --- a/include/drm/drm_fourcc.h > +++ b/include/drm/drm_fourcc.h > @@ -268,7 +268,7 @@ drm_get_format_info(struct drm_device *dev, > uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); > uint32_t drm_driver_legacy_fb_format(struct drm_device *dev, > uint32_t bpp, uint32_t depth); > -int drm_format_plane_cpp(uint32_t format, int plane); > +int drm_format_plane_cpp(const struct drm_format_info *info, int plane); > int drm_format_plane_width(int width, uint32_t format, int plane); > int drm_format_plane_height(int height, uint32_t format, int plane); > unsigned int drm_format_info_block_width(const struct drm_format_info *info, -- Paul Kocialkowski, Bootlin Embedded Linux and kernel engineering https://bootlin.com