drm/gma500/psb: Convert to gma_crtc_dpms() (42568dd5) · Commits · jan.koester / Linux

drivers/gpu/drm/gma500/psb_intel_display.c

+1 −103

Original line number	Diff line number	Diff line
		@@ -82,108 +82,6 @@ static void psb_intel_clock(int refclk, struct gma_clock_t *clock)
		clock->dot = clock->vco / clock->p;
		}

		/**
		* Sets the power management mode of the pipe and plane.
		*
		* This code should probably grow support for turning the cursor off and back
		* on appropriately at the same time as we're turning the pipe off/on.
		*/
		static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
		{
		struct drm_device *dev = crtc->dev;
		struct drm_psb_private *dev_priv = dev->dev_private;
		struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
		int pipe = psb_intel_crtc->pipe;
		const struct psb_offset *map = &dev_priv->regmap[pipe];
		u32 temp;

		/* XXX: When our outputs are all unaware of DPMS modes other than off
		* and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
		*/
		switch (mode) {
		case DRM_MODE_DPMS_ON:
		case DRM_MODE_DPMS_STANDBY:
		case DRM_MODE_DPMS_SUSPEND:
		/* Enable the DPLL */
		temp = REG_READ(map->dpll);
		if ((temp & DPLL_VCO_ENABLE) == 0) {
		REG_WRITE(map->dpll, temp);
		REG_READ(map->dpll);
		/* Wait for the clocks to stabilize. */
		udelay(150);
		REG_WRITE(map->dpll, temp \| DPLL_VCO_ENABLE);
		REG_READ(map->dpll);
		/* Wait for the clocks to stabilize. */
		udelay(150);
		REG_WRITE(map->dpll, temp \| DPLL_VCO_ENABLE);
		REG_READ(map->dpll);
		/* Wait for the clocks to stabilize. */
		udelay(150);
		}

		/* Enable the pipe */
		temp = REG_READ(map->conf);
		if ((temp & PIPEACONF_ENABLE) == 0)
		REG_WRITE(map->conf, temp \| PIPEACONF_ENABLE);

		/* Enable the plane */
		temp = REG_READ(map->cntr);
		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
		REG_WRITE(map->cntr,
		temp \| DISPLAY_PLANE_ENABLE);
		/* Flush the plane changes */
		REG_WRITE(map->base, REG_READ(map->base));
		}

		gma_crtc_load_lut(crtc);

		/* Give the overlay scaler a chance to enable
		* if it's on this pipe */
		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
		break;
		case DRM_MODE_DPMS_OFF:
		/* Give the overlay scaler a chance to disable
		* if it's on this pipe */
		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */

		/* Disable the VGA plane that we never use */
		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);

		/* Disable display plane */
		temp = REG_READ(map->cntr);
		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
		REG_WRITE(map->cntr,
		temp & ~DISPLAY_PLANE_ENABLE);
		/* Flush the plane changes */
		REG_WRITE(map->base, REG_READ(map->base));
		REG_READ(map->base);
		}

		/* Next, disable display pipes */
		temp = REG_READ(map->conf);
		if ((temp & PIPEACONF_ENABLE) != 0) {
		REG_WRITE(map->conf, temp & ~PIPEACONF_ENABLE);
		REG_READ(map->conf);
		}

		/* Wait for vblank for the disable to take effect. */
		gma_wait_for_vblank(dev);

		temp = REG_READ(map->dpll);
		if ((temp & DPLL_VCO_ENABLE) != 0) {
		REG_WRITE(map->dpll, temp & ~DPLL_VCO_ENABLE);
		REG_READ(map->dpll);
		}

		/* Wait for the clocks to turn off. */
		udelay(150);
		break;
		}

		/Set FIFO Watermarks/
		REG_WRITE(DSPARB, 0x3F3E);
		}

		void psb_intel_encoder_prepare(struct drm_encoder *encoder)
		{
		struct drm_encoder_helper_funcs *encoder_funcs =
		@@ -850,7 +748,7 @@ static void psb_intel_crtc_destroy(struct drm_crtc *crtc)
		}

		const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
		.dpms = psb_intel_crtc_dpms,
		.dpms = gma_crtc_dpms,
		.mode_fixup = gma_crtc_mode_fixup,
		.mode_set = psb_intel_crtc_mode_set,
		.mode_set_base = gma_pipe_set_base,