On Fri, Feb 22, 2013 at 12:56:45AM +0100, Daniel Vetter wrote:
> Currently only containing the requested and the adjusted mode. And
> only crtc callbacks are converted somewhat to it, encoders will be
> done on a as-needed basis (simply too much churn in one patch
> otherwise).
>
> Future patches will add tons more useful stuff to this struct,
> starting with the very simple.
>
> v2: Store the pipe_config in the intel_crtc, so that the ->mode-set,
> ->enable and also ->disable have easy access to it.
>
> v3: Store the pipe config in the right crtc ...
>
> v4: Rebased.
>
> v5: Fixup an OOPS when trying to kfree an ERR_PTR.
>
> v6: Used drm_moode_copy and some other small cleanups as suggested
> by Ville Syrj?l?.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 4 +-
> drivers/gpu/drm/i915/intel_display.c | 83 +++++++++++++++++++++---------------
> drivers/gpu/drm/i915/intel_drv.h | 7 +++
> 3 files changed, 58 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index e95337c..8fb14fb 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -271,6 +271,8 @@ struct drm_i915_error_state {
> struct intel_display_error_state *display;
> };
>
> +struct intel_crtc_config;
> +
> struct drm_i915_display_funcs {
> bool (*fbc_enabled)(struct drm_device *dev);
> void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
> @@ -284,8 +286,6 @@ struct drm_i915_display_funcs {
> struct drm_display_mode *mode);
> void (*modeset_global_resources)(struct drm_device *dev);
> int (*crtc_mode_set)(struct drm_crtc *crtc,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode,
> int x, int y,
> struct drm_framebuffer *old_fb);
> void (*crtc_enable)(struct drm_crtc *crtc);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index b521198..5a3e231 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3915,15 +3915,15 @@ bool intel_connector_get_hw_state(struct intel_connector *connector)
> return encoder->get_hw_state(encoder, &pipe);
> }
>
> -static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
> - const struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode)
> +static bool intel_crtc_compute_config(struct drm_crtc *crtc,
> + struct intel_crtc_config *pipe_config)
> {
> struct drm_device *dev = crtc->dev;
> + struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
>
> if (HAS_PCH_SPLIT(dev)) {
> /* FDI link clock is fixed at 2.7G */
> - if (mode->clock * 3 > IRONLAKE_FDI_FREQ * 4)
> + if (pipe_config->requested_mode.clock * 3 > IRONLAKE_FDI_FREQ * 4)
> return false;
> }
>
> @@ -4609,14 +4609,15 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc,
> }
>
> static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode,
> int x, int y,
> struct drm_framebuffer *fb)
> {
> struct drm_device *dev = crtc->dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
> struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> + struct drm_display_mode *adjusted_mode =
> + &intel_crtc->config.adjusted_mode;
> + struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
> int pipe = intel_crtc->pipe;
> int plane = intel_crtc->plane;
> int refclk, num_connectors = 0;
> @@ -5579,14 +5580,15 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
> }
>
> static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode,
> int x, int y,
> struct drm_framebuffer *fb)
> {
> struct drm_device *dev = crtc->dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
> struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> + struct drm_display_mode *adjusted_mode =
> + &intel_crtc->config.adjusted_mode;
> + struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
> int pipe = intel_crtc->pipe;
> int plane = intel_crtc->plane;
> int num_connectors = 0;
> @@ -5745,14 +5747,15 @@ static void haswell_modeset_global_resources(struct drm_device *dev)
> }
>
> static int haswell_crtc_mode_set(struct drm_crtc *crtc,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode,
> int x, int y,
> struct drm_framebuffer *fb)
> {
> struct drm_device *dev = crtc->dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
> struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> + struct drm_display_mode *adjusted_mode =
> + &intel_crtc->config.adjusted_mode;
> + struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
> int pipe = intel_crtc->pipe;
> int plane = intel_crtc->plane;
> int num_connectors = 0;
> @@ -5829,8 +5832,6 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
> }
>
> static int intel_crtc_mode_set(struct drm_crtc *crtc,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode,
> int x, int y,
> struct drm_framebuffer *fb)
> {
> @@ -5839,6 +5840,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
> struct drm_encoder_helper_funcs *encoder_funcs;
> struct intel_encoder *encoder;
> struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> + struct drm_display_mode *adjusted_mode =
> + &intel_crtc->config.adjusted_mode;
> + struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
> int pipe = intel_crtc->pipe;
> int ret;
>
> @@ -5849,8 +5853,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
>
> drm_vblank_pre_modeset(dev, pipe);
>
> - ret = dev_priv->display.crtc_mode_set(crtc, mode, adjusted_mode,
> - x, y, fb);
> + ret = dev_priv->display.crtc_mode_set(crtc, x, y, fb);
> +
> drm_vblank_post_modeset(dev, pipe);
>
> if (ret != 0)
> @@ -7478,19 +7482,24 @@ static void intel_modeset_commit_output_state(struct drm_device *dev)
> }
> }
>
> -static struct drm_display_mode *
> -intel_modeset_adjusted_mode(struct drm_crtc *crtc,
> - struct drm_display_mode *mode)
> +static struct intel_crtc_config *
> +intel_modeset_pipe_config(struct drm_crtc *crtc,
> + struct drm_display_mode *mode)
> {
> struct drm_device *dev = crtc->dev;
> - struct drm_display_mode *adjusted_mode;
> struct drm_encoder_helper_funcs *encoder_funcs;
> struct intel_encoder *encoder;
> + struct intel_crtc_config *pipe_config;
>
> - adjusted_mode = drm_mode_duplicate(dev, mode);
> - if (!adjusted_mode)
> + pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL);
> + if (!pipe_config)
> return ERR_PTR(-ENOMEM);
>
> + drm_mode_copy(&pipe_config->adjusted_mode, mode);
> + pipe_config->adjusted_mode.base.id = 0;
> + drm_mode_copy(&pipe_config->requested_mode, mode);
> + pipe_config->requested_mode.base.id = 0;
drm_mode_copy() preserves the destination mode's id, and since you
kzalloc() the whole thing there's no need to zero the ids explicitly.
That was pretty much why I suggeted it.
The rest looks good to me.
Reviewed-by: Ville Syrj?l? <ville.syrjala at linux.intel.com>
--
Ville Syrj?l?
Intel OTC
