drm/simple-kms: Standardize arguments for callbacks

Passing the wrong type feels icky, everywhere else we use the pipe as
the first parameter. Spotted while discussing patches with Thomas
Zimmermann.

v2: Make xen compile correctly

Acked-By: Thomas Zimmermann <tzimmermann@suse.de> (v1)
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Emil Velikov <emil.velikov@collabora.com>
Cc: virtualization@lists.linux-foundation.org
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191023101256.20509-1-daniel.vetter@ffwll.ch

diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/cirrus/cirrus.c
index 7d08d06..248c9f7 100644 (file)
--- a/drivers/gpu/drm/cirrus/cirrus.c
+++ b/drivers/gpu/drm/cirrus/cirrus.c
@@ -390,7 +390,7 @@ static int cirrus_conn_init(struct cirrus_device *cirrus)
 /* ------------------------------------------------------------------ */
 /* cirrus (simple) display pipe                                              */
 
-static enum drm_mode_status cirrus_pipe_mode_valid(struct drm_crtc *crtc,
+static enum drm_mode_status cirrus_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
                                                   const struct drm_display_mode *mode)
 {
        if (cirrus_check_size(mode->hdisplay, mode->vdisplay, NULL) < 0)

diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index 0460557..15fb516 100644 (file)
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -43,7 +43,7 @@ drm_simple_kms_crtc_mode_valid(struct drm_crtc *crtc,
                /* Anything goes */
                return MODE_OK;
 
-       return pipe->funcs->mode_valid(crtc, mode);
+       return pipe->funcs->mode_valid(pipe, mode);
 }
 
 static int drm_simple_kms_crtc_check(struct drm_crtc *crtc,

diff --git a/drivers/gpu/drm/pl111/pl111_display.c b/drivers/gpu/drm/pl111/pl111_display.c
index 024771a..703ddc8 100644 (file)
--- a/drivers/gpu/drm/pl111/pl111_display.c
+++ b/drivers/gpu/drm/pl111/pl111_display.c
@@ -48,10 +48,10 @@ irqreturn_t pl111_irq(int irq, void *data)
 }
 
 static enum drm_mode_status
-pl111_mode_valid(struct drm_crtc *crtc,
+pl111_mode_valid(struct drm_simple_display_pipe *pipe,
                 const struct drm_display_mode *mode)
 {
-       struct drm_device *drm = crtc->dev;
+       struct drm_device *drm = pipe->crtc.dev;
        struct pl111_drm_dev_private *priv = drm->dev_private;
        u32 cpp = priv->variant->fb_bpp / 8;
        u64 bw;

diff --git a/drivers/gpu/drm/xen/xen_drm_front_kms.c b/drivers/gpu/drm/xen/xen_drm_front_kms.c
index 21ad1c3..ff506bc 100644 (file)
--- a/drivers/gpu/drm/xen/xen_drm_front_kms.c
+++ b/drivers/gpu/drm/xen/xen_drm_front_kms.c
@@ -270,11 +270,12 @@ static void display_update(struct drm_simple_display_pipe *pipe,
 }
 
 static enum drm_mode_status
-display_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode)
+display_mode_valid(struct drm_simple_display_pipe *pipe,
+                  const struct drm_display_mode *mode)
 {
        struct xen_drm_front_drm_pipeline *pipeline =
-                       container_of(crtc, struct xen_drm_front_drm_pipeline,
-                                    pipe.crtc);
+                       container_of(pipe, struct xen_drm_front_drm_pipeline,
+                                    pipe);
 
        if (mode->hdisplay != pipeline->width)
                return MODE_ERROR;

diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
index 4d89cd0..15afee9 100644 (file)
--- a/include/drm/drm_simple_kms_helper.h
+++ b/include/drm/drm_simple_kms_helper.h
@@ -49,7 +49,7 @@ struct drm_simple_display_pipe_funcs {
         *
         * drm_mode_status Enum
         */
-       enum drm_mode_status (*mode_valid)(struct drm_crtc *crtc,
+       enum drm_mode_status (*mode_valid)(struct drm_simple_display_pipe *pipe,
                                           const struct drm_display_mode *mode);
 
        /**