[PATCH 3/5] drm/mgag200: Remove several references to struct mga_device.dev

Daniel Vetter daniel at ffwll.ch
Wed May 6 09:22:57 UTC 2020


On Wed, May 6, 2020 at 9:48 AM Thomas Zimmermann <tzimmermann at suse.de> wrote:
>
> Hi
>
> Am 05.05.20 um 16:09 schrieb Daniel Vetter:
> > On Tue, May 05, 2020 at 11:56:47AM +0200, Thomas Zimmermann wrote:
> >> Done in preparation of embedding the DRM device in struct mga_device.
> >>
> >> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> >
> > Not exactly sure what the goal is, since mga_vga_init still uses
> > drm_device and not the mdev struct. *shrug*
>
> It replaces 'mdev->dev' with simply 'dev'. That makes patch 5 easier to
> read.

Ah right, maybe spell that out a bit clearer so that dense people like
me get it. You explained it in the commit message, it simply didn't
click that this is about avoiding tons of s/mdev->dev/mdev.dev/
replacement noise.
-Daniel

>
> Best regards
> Thomas
>
> >
> > Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> >
> >
> >> ---
> >>  drivers/gpu/drm/mgag200/mgag200_main.c | 21 +++++++++++----------
> >>  drivers/gpu/drm/mgag200/mgag200_mode.c | 17 +++++++++--------
> >>  2 files changed, 20 insertions(+), 18 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
> >> index 3830d3f3c9fa2..010b309c01fc4 100644
> >> --- a/drivers/gpu/drm/mgag200/mgag200_main.c
> >> +++ b/drivers/gpu/drm/mgag200/mgag200_main.c
> >> @@ -66,25 +66,26 @@ static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem)
> >>  /* Map the framebuffer from the card and configure the core */
> >>  static int mga_vram_init(struct mga_device *mdev)
> >>  {
> >> +    struct drm_device *dev = mdev->dev;
> >>      void __iomem *mem;
> >>
> >>      /* BAR 0 is VRAM */
> >> -    mdev->mc.vram_base = pci_resource_start(mdev->dev->pdev, 0);
> >> -    mdev->mc.vram_window = pci_resource_len(mdev->dev->pdev, 0);
> >> +    mdev->mc.vram_base = pci_resource_start(dev->pdev, 0);
> >> +    mdev->mc.vram_window = pci_resource_len(dev->pdev, 0);
> >>
> >> -    if (!devm_request_mem_region(mdev->dev->dev, mdev->mc.vram_base, mdev->mc.vram_window,
> >> -                            "mgadrmfb_vram")) {
> >> +    if (!devm_request_mem_region(dev->dev, mdev->mc.vram_base,
> >> +                                 mdev->mc.vram_window, "mgadrmfb_vram")) {
> >>              DRM_ERROR("can't reserve VRAM\n");
> >>              return -ENXIO;
> >>      }
> >>
> >> -    mem = pci_iomap(mdev->dev->pdev, 0, 0);
> >> +    mem = pci_iomap(dev->pdev, 0, 0);
> >>      if (!mem)
> >>              return -ENOMEM;
> >>
> >>      mdev->mc.vram_size = mga_probe_vram(mdev, mem);
> >>
> >> -    pci_iounmap(mdev->dev->pdev, mem);
> >> +    pci_iounmap(dev->pdev, mem);
> >>
> >>      return 0;
> >>  }
> >> @@ -116,11 +117,11 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
> >>      mdev->has_sdram = !(option & (1 << 14));
> >>
> >>      /* BAR 0 is the framebuffer, BAR 1 contains registers */
> >> -    mdev->rmmio_base = pci_resource_start(mdev->dev->pdev, 1);
> >> -    mdev->rmmio_size = pci_resource_len(mdev->dev->pdev, 1);
> >> +    mdev->rmmio_base = pci_resource_start(dev->pdev, 1);
> >> +    mdev->rmmio_size = pci_resource_len(dev->pdev, 1);
> >>
> >> -    if (!devm_request_mem_region(mdev->dev->dev, mdev->rmmio_base, mdev->rmmio_size,
> >> -                            "mgadrmfb_mmio")) {
> >> +    if (!devm_request_mem_region(dev->dev, mdev->rmmio_base,
> >> +                                 mdev->rmmio_size, "mgadrmfb_mmio")) {
> >>              drm_err(dev, "can't reserve mmio registers\n");
> >>              return -ENOMEM;
> >>      }
> >> diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
> >> index fa91869c0db52..aaa73b29b04f0 100644
> >> --- a/drivers/gpu/drm/mgag200/mgag200_mode.c
> >> +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
> >> @@ -1433,6 +1433,7 @@ static const struct drm_crtc_helper_funcs mga_helper_funcs = {
> >>  /* CRTC setup */
> >>  static void mga_crtc_init(struct mga_device *mdev)
> >>  {
> >> +    struct drm_device *dev = mdev->dev;
> >>      struct mga_crtc *mga_crtc;
> >>
> >>      mga_crtc = kzalloc(sizeof(struct mga_crtc) +
> >> @@ -1442,7 +1443,7 @@ static void mga_crtc_init(struct mga_device *mdev)
> >>      if (mga_crtc == NULL)
> >>              return;
> >>
> >> -    drm_crtc_init(mdev->dev, &mga_crtc->base, &mga_crtc_funcs);
> >> +    drm_crtc_init(dev, &mga_crtc->base, &mga_crtc_funcs);
> >>
> >>      drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE);
> >>      mdev->mode_info.crtc = mga_crtc;
> >> @@ -1617,30 +1618,30 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev)
> >>
> >>  int mgag200_modeset_init(struct mga_device *mdev)
> >>  {
> >> +    struct drm_device *dev = mdev->dev;
> >>      struct drm_encoder *encoder = &mdev->encoder;
> >>      struct drm_connector *connector;
> >>      int ret;
> >>
> >>      mdev->mode_info.mode_config_initialized = true;
> >>
> >> -    mdev->dev->mode_config.max_width = MGAG200_MAX_FB_WIDTH;
> >> -    mdev->dev->mode_config.max_height = MGAG200_MAX_FB_HEIGHT;
> >> +    dev->mode_config.max_width = MGAG200_MAX_FB_WIDTH;
> >> +    dev->mode_config.max_height = MGAG200_MAX_FB_HEIGHT;
> >>
> >> -    mdev->dev->mode_config.fb_base = mdev->mc.vram_base;
> >> +    dev->mode_config.fb_base = mdev->mc.vram_base;
> >>
> >>      mga_crtc_init(mdev);
> >>
> >> -    ret = drm_simple_encoder_init(mdev->dev, encoder,
> >> -                                  DRM_MODE_ENCODER_DAC);
> >> +    ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
> >>      if (ret) {
> >> -            drm_err(mdev->dev,
> >> +            drm_err(dev,
> >>                      "drm_simple_encoder_init() failed, error %d\n",
> >>                      ret);
> >>              return ret;
> >>      }
> >>      encoder->possible_crtcs = 0x1;
> >>
> >> -    connector = mga_vga_init(mdev->dev);
> >> +    connector = mga_vga_init(dev);
> >>      if (!connector) {
> >>              DRM_ERROR("mga_vga_init failed\n");
> >>              return -1;
> >> --
> >> 2.26.0
> >>
> >
>
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5, 90409 Nürnberg, Germany
> (HRB 36809, AG Nürnberg)
> Geschäftsführer: Felix Imendörffer
>


-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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