| Message ID | 20210927134116.1592896-1-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: omap_vout: use dma_addr_t consistently | expand |
Hi Arnd, Thank you for the patch. On Mon, Sep 27, 2021 at 03:41:06PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@arndb.de> > > gcc notices that the driver mixes 'dma_addr_t' 'u8 *' and 'u32' > to store DMA addresses: > > drivers/media/platform/omap/omap_vout.c: In function 'omap_vout_vb2_prepare': > drivers/media/platform/omap/omap_vout.c:979:37: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] > vout->queued_buf_addr[vb->index] = (u8 *)buf_phy_addr; > ^ > drivers/media/platform/omap/omap_vout.c: In function 'omap_vout_create_video_devices': > drivers/media/platform/omap/omap_vout.c:1479:21: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] > vout->fbuf.base = (void *)info.paddr; > > Use dma_addr_t everywhere here to avoid the type conversions and document > what the address is used for. Assigning to vout->fbuf.base still requires > a cast, since that is part of the driver independent data structure. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Looks much better :-) Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > drivers/media/platform/omap/omap_vout.c | 18 ++++++++++-------- > drivers/media/platform/omap/omap_vout_vrfb.c | 2 +- > drivers/media/platform/omap/omap_voutdef.h | 2 +- > 3 files changed, 12 insertions(+), 10 deletions(-) > > diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c > index 21193f0b7f61..3e0d9af7ffec 100644 > --- a/drivers/media/platform/omap/omap_vout.c > +++ b/drivers/media/platform/omap/omap_vout.c > @@ -277,7 +277,7 @@ static int video_mode_to_dss_mode(struct omap_vout_device *vout) > */ > static int omapvid_setup_overlay(struct omap_vout_device *vout, > struct omap_overlay *ovl, int posx, int posy, int outw, > - int outh, u32 addr) > + int outh, dma_addr_t addr) > { > int ret = 0; > struct omap_overlay_info info; > @@ -352,7 +352,7 @@ static int omapvid_setup_overlay(struct omap_vout_device *vout, > /* > * Initialize the overlay structure > */ > -static int omapvid_init(struct omap_vout_device *vout, u32 addr) > +static int omapvid_init(struct omap_vout_device *vout, dma_addr_t addr) > { > int ret = 0, i; > struct v4l2_window *win; > @@ -479,7 +479,8 @@ static int omapvid_handle_interlace_display(struct omap_vout_device *vout, > static void omap_vout_isr(void *arg, unsigned int irqstatus) > { > int ret, fid, mgr_id; > - u32 addr, irq; > + dma_addr_t addr; > + u32 irq; > struct omap_overlay *ovl; > u64 ts; > struct omapvideo_info *ovid; > @@ -543,7 +544,7 @@ static void omap_vout_isr(void *arg, unsigned int irqstatus) > struct omap_vout_buffer, queue); > list_del(&vout->next_frm->queue); > > - addr = (unsigned long)vout->queued_buf_addr[vout->next_frm->vbuf.vb2_buf.index] > + addr = vout->queued_buf_addr[vout->next_frm->vbuf.vb2_buf.index] > + vout->cropped_offset; > > /* First save the configuration in ovelray structure */ > @@ -976,7 +977,7 @@ static int omap_vout_vb2_prepare(struct vb2_buffer *vb) > vb2_set_plane_payload(vb, 0, vout->pix.sizeimage); > voutbuf->vbuf.field = V4L2_FIELD_NONE; > > - vout->queued_buf_addr[vb->index] = (u8 *)buf_phy_addr; > + vout->queued_buf_addr[vb->index] = buf_phy_addr; > if (ovid->rotation_type == VOUT_ROT_VRFB) > return omap_vout_prepare_vrfb(vout, vb); > return 0; > @@ -995,7 +996,8 @@ static int omap_vout_vb2_start_streaming(struct vb2_queue *vq, unsigned int coun > struct omap_vout_device *vout = vb2_get_drv_priv(vq); > struct omapvideo_info *ovid = &vout->vid_info; > struct omap_vout_buffer *buf, *tmp; > - u32 addr = 0, mask = 0; > + dma_addr_t addr = 0; > + u32 mask = 0; > int ret, j; > > /* Get the next frame from the buffer queue */ > @@ -1018,7 +1020,7 @@ static int omap_vout_vb2_start_streaming(struct vb2_queue *vq, unsigned int coun > goto out; > } > > - addr = (unsigned long)vout->queued_buf_addr[vout->cur_frm->vbuf.vb2_buf.index] > + addr = vout->queued_buf_addr[vout->cur_frm->vbuf.vb2_buf.index] > + vout->cropped_offset; > > mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD > @@ -1476,7 +1478,7 @@ static int __init omap_vout_create_video_devices(struct platform_device *pdev) > * To be precise: fbuf.base should match smem_start of > * struct fb_fix_screeninfo. > */ > - vout->fbuf.base = (void *)info.paddr; > + vout->fbuf.base = (void *)(uintptr_t)info.paddr; > > /* Set VRFB as rotation_type for omap2 and omap3 */ > if (omap_vout_dss_omap24xx() || omap_vout_dss_omap34xx()) > diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c > index 6bd672cbdb62..0cfa0169875f 100644 > --- a/drivers/media/platform/omap/omap_vout_vrfb.c > +++ b/drivers/media/platform/omap/omap_vout_vrfb.c > @@ -305,7 +305,7 @@ int omap_vout_prepare_vrfb(struct omap_vout_device *vout, > /* Store buffers physical address into an array. Addresses > * from this array will be used to configure DSS */ > rotation = calc_rotation(vout); > - vout->queued_buf_addr[vb->index] = (u8 *) > + vout->queued_buf_addr[vb->index] = > vout->vrfb_context[vb->index].paddr[rotation]; > return 0; > } > diff --git a/drivers/media/platform/omap/omap_voutdef.h b/drivers/media/platform/omap/omap_voutdef.h > index 1cff6dea1879..b586193341d2 100644 > --- a/drivers/media/platform/omap/omap_voutdef.h > +++ b/drivers/media/platform/omap/omap_voutdef.h > @@ -170,7 +170,7 @@ struct omap_vout_device { > struct omap_vout_buffer *cur_frm, *next_frm; > spinlock_t vbq_lock; /* spinlock for dma_queue */ > struct list_head dma_queue; > - u8 *queued_buf_addr[VIDEO_MAX_FRAME]; > + dma_addr_t queued_buf_addr[VIDEO_MAX_FRAME]; > u32 cropped_offset; > s32 tv_field1_offset; > void *isr_handle;
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 21193f0b7f61..3e0d9af7ffec 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -277,7 +277,7 @@ static int video_mode_to_dss_mode(struct omap_vout_device *vout) */ static int omapvid_setup_overlay(struct omap_vout_device *vout, struct omap_overlay *ovl, int posx, int posy, int outw, - int outh, u32 addr) + int outh, dma_addr_t addr) { int ret = 0; struct omap_overlay_info info; @@ -352,7 +352,7 @@ static int omapvid_setup_overlay(struct omap_vout_device *vout, /* * Initialize the overlay structure */ -static int omapvid_init(struct omap_vout_device *vout, u32 addr) +static int omapvid_init(struct omap_vout_device *vout, dma_addr_t addr) { int ret = 0, i; struct v4l2_window *win; @@ -479,7 +479,8 @@ static int omapvid_handle_interlace_display(struct omap_vout_device *vout, static void omap_vout_isr(void *arg, unsigned int irqstatus) { int ret, fid, mgr_id; - u32 addr, irq; + dma_addr_t addr; + u32 irq; struct omap_overlay *ovl; u64 ts; struct omapvideo_info *ovid; @@ -543,7 +544,7 @@ static void omap_vout_isr(void *arg, unsigned int irqstatus) struct omap_vout_buffer, queue); list_del(&vout->next_frm->queue); - addr = (unsigned long)vout->queued_buf_addr[vout->next_frm->vbuf.vb2_buf.index] + addr = vout->queued_buf_addr[vout->next_frm->vbuf.vb2_buf.index] + vout->cropped_offset; /* First save the configuration in ovelray structure */ @@ -976,7 +977,7 @@ static int omap_vout_vb2_prepare(struct vb2_buffer *vb) vb2_set_plane_payload(vb, 0, vout->pix.sizeimage); voutbuf->vbuf.field = V4L2_FIELD_NONE; - vout->queued_buf_addr[vb->index] = (u8 *)buf_phy_addr; + vout->queued_buf_addr[vb->index] = buf_phy_addr; if (ovid->rotation_type == VOUT_ROT_VRFB) return omap_vout_prepare_vrfb(vout, vb); return 0; @@ -995,7 +996,8 @@ static int omap_vout_vb2_start_streaming(struct vb2_queue *vq, unsigned int coun struct omap_vout_device *vout = vb2_get_drv_priv(vq); struct omapvideo_info *ovid = &vout->vid_info; struct omap_vout_buffer *buf, *tmp; - u32 addr = 0, mask = 0; + dma_addr_t addr = 0; + u32 mask = 0; int ret, j; /* Get the next frame from the buffer queue */ @@ -1018,7 +1020,7 @@ static int omap_vout_vb2_start_streaming(struct vb2_queue *vq, unsigned int coun goto out; } - addr = (unsigned long)vout->queued_buf_addr[vout->cur_frm->vbuf.vb2_buf.index] + addr = vout->queued_buf_addr[vout->cur_frm->vbuf.vb2_buf.index] + vout->cropped_offset; mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD @@ -1476,7 +1478,7 @@ static int __init omap_vout_create_video_devices(struct platform_device *pdev) * To be precise: fbuf.base should match smem_start of * struct fb_fix_screeninfo. */ - vout->fbuf.base = (void *)info.paddr; + vout->fbuf.base = (void *)(uintptr_t)info.paddr; /* Set VRFB as rotation_type for omap2 and omap3 */ if (omap_vout_dss_omap24xx() || omap_vout_dss_omap34xx()) diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c index 6bd672cbdb62..0cfa0169875f 100644 --- a/drivers/media/platform/omap/omap_vout_vrfb.c +++ b/drivers/media/platform/omap/omap_vout_vrfb.c @@ -305,7 +305,7 @@ int omap_vout_prepare_vrfb(struct omap_vout_device *vout, /* Store buffers physical address into an array. Addresses * from this array will be used to configure DSS */ rotation = calc_rotation(vout); - vout->queued_buf_addr[vb->index] = (u8 *) + vout->queued_buf_addr[vb->index] = vout->vrfb_context[vb->index].paddr[rotation]; return 0; } diff --git a/drivers/media/platform/omap/omap_voutdef.h b/drivers/media/platform/omap/omap_voutdef.h index 1cff6dea1879..b586193341d2 100644 --- a/drivers/media/platform/omap/omap_voutdef.h +++ b/drivers/media/platform/omap/omap_voutdef.h @@ -170,7 +170,7 @@ struct omap_vout_device { struct omap_vout_buffer *cur_frm, *next_frm; spinlock_t vbq_lock; /* spinlock for dma_queue */ struct list_head dma_queue; - u8 *queued_buf_addr[VIDEO_MAX_FRAME]; + dma_addr_t queued_buf_addr[VIDEO_MAX_FRAME]; u32 cropped_offset; s32 tv_field1_offset; void *isr_handle;