Commit 0e5b26ab authored by Patrik Jakobsson's avatar Patrik Jakobsson
Browse files

drm/gma500/psb: Convert to generic save/restore 



Signed-off-by: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
parent 2e775700

drivers/gpu/drm/gma500/psb_intel_display.c

+2 −107
Original line number Diff line number Diff line
@@ -305,111 +305,6 @@ static int psb_intel_crtc_mode_set(struct drm_crtc *crtc, 
	return 0;

}



/**

 * Save HW states of giving crtc

 */

static void psb_intel_crtc_save(struct drm_crtc *crtc)

{

	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);

	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;

	const struct psb_offset *map = &dev_priv->regmap[psb_intel_crtc->pipe];

	uint32_t paletteReg;

	int i;



	if (!crtc_state) {

		dev_err(dev->dev, "No CRTC state found\n");

		return;

	}



	crtc_state->saveDSPCNTR = REG_READ(map->cntr);

	crtc_state->savePIPECONF = REG_READ(map->conf);

	crtc_state->savePIPESRC = REG_READ(map->src);

	crtc_state->saveFP0 = REG_READ(map->fp0);

	crtc_state->saveFP1 = REG_READ(map->fp1);

	crtc_state->saveDPLL = REG_READ(map->dpll);

	crtc_state->saveHTOTAL = REG_READ(map->htotal);

	crtc_state->saveHBLANK = REG_READ(map->hblank);

	crtc_state->saveHSYNC = REG_READ(map->hsync);

	crtc_state->saveVTOTAL = REG_READ(map->vtotal);

	crtc_state->saveVBLANK = REG_READ(map->vblank);

	crtc_state->saveVSYNC = REG_READ(map->vsync);

	crtc_state->saveDSPSTRIDE = REG_READ(map->stride);



	/*NOTE: DSPSIZE DSPPOS only for psb*/

	crtc_state->saveDSPSIZE = REG_READ(map->size);

	crtc_state->saveDSPPOS = REG_READ(map->pos);



	crtc_state->saveDSPBASE = REG_READ(map->base);



	paletteReg = map->palette;

	for (i = 0; i < 256; ++i)

		crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));

}



/**

 * Restore HW states of giving crtc

 */

static void psb_intel_crtc_restore(struct drm_crtc *crtc)

{

	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);

	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;

	const struct psb_offset *map = &dev_priv->regmap[psb_intel_crtc->pipe];

	uint32_t paletteReg;

	int i;



	if (!crtc_state) {

		dev_err(dev->dev, "No crtc state\n");

		return;

	}



	if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {

		REG_WRITE(map->dpll,

			crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);

		REG_READ(map->dpll);

		udelay(150);

	}



	REG_WRITE(map->fp0, crtc_state->saveFP0);

	REG_READ(map->fp0);



	REG_WRITE(map->fp1, crtc_state->saveFP1);

	REG_READ(map->fp1);



	REG_WRITE(map->dpll, crtc_state->saveDPLL);

	REG_READ(map->dpll);

	udelay(150);



	REG_WRITE(map->htotal, crtc_state->saveHTOTAL);

	REG_WRITE(map->hblank, crtc_state->saveHBLANK);

	REG_WRITE(map->hsync, crtc_state->saveHSYNC);

	REG_WRITE(map->vtotal, crtc_state->saveVTOTAL);

	REG_WRITE(map->vblank, crtc_state->saveVBLANK);

	REG_WRITE(map->vsync, crtc_state->saveVSYNC);

	REG_WRITE(map->stride, crtc_state->saveDSPSTRIDE);



	REG_WRITE(map->size, crtc_state->saveDSPSIZE);

	REG_WRITE(map->pos, crtc_state->saveDSPPOS);



	REG_WRITE(map->src, crtc_state->savePIPESRC);

	REG_WRITE(map->base, crtc_state->saveDSPBASE);

	REG_WRITE(map->conf, crtc_state->savePIPECONF);



	gma_wait_for_vblank(dev);



	REG_WRITE(map->cntr, crtc_state->saveDSPCNTR);

	REG_WRITE(map->base, crtc_state->saveDSPBASE);



	gma_wait_for_vblank(dev);



	paletteReg = map->palette;

	for (i = 0; i < 256; ++i)

		REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);

}



static int psb_crtc_set_config(struct drm_mode_set *set)

{

	int ret;
@@ -560,8 +455,8 @@ const struct drm_crtc_helper_funcs psb_intel_helper_funcs = { 
};



const struct drm_crtc_funcs psb_intel_crtc_funcs = {

	.save = psb_intel_crtc_save,

	.restore = psb_intel_crtc_restore,

	.save = gma_crtc_save,

	.restore = gma_crtc_restore,

	.cursor_set = gma_crtc_cursor_set,

	.cursor_move = gma_crtc_cursor_move,

	.gamma_set = gma_crtc_gamma_set,