drm: Replace pitch with pitches[] in drm_framebuffer

Otherwise each driver would need to keep the information inside
their own framebuffer object structure. Also add offsets[]. BOs
on the other hand are driver specific, so those can be kept in
driver specific structures.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index 5e45398..728d075 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -364,7 +364,7 @@
 	regp->CRTC[NV_CIO_CR_VRE_INDEX] = 1 << 5 | XLATE(vertEnd, 0, NV_CIO_CR_VRE_3_0);
 	regp->CRTC[NV_CIO_CR_VDE_INDEX] = vertDisplay;
 	/* framebuffer can be larger than crtc scanout area. */
-	regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitch / 8;
+	regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitches[0] / 8;
 	regp->CRTC[NV_CIO_CR_ULINE_INDEX] = 0x00;
 	regp->CRTC[NV_CIO_CR_VBS_INDEX] = vertBlankStart;
 	regp->CRTC[NV_CIO_CR_VBE_INDEX] = vertBlankEnd;
@@ -377,9 +377,9 @@
 
 	/* framebuffer can be larger than crtc scanout area. */
 	regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
-		XLATE(fb->pitch / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
+		XLATE(fb->pitches[0] / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
 	regp->CRTC[NV_CIO_CRE_42] =
-		XLATE(fb->pitch / 8, 11, NV_CIO_CRE_42_OFFSET_11);
+		XLATE(fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
 	regp->CRTC[NV_CIO_CRE_RPC1_INDEX] = mode->crtc_hdisplay < 1280 ?
 					    MASK(NV_CIO_CRE_RPC1_LARGE) : 0x00;
 	regp->CRTC[NV_CIO_CRE_LSR_INDEX] = XLATE(horizBlankEnd, 6, NV_CIO_CRE_LSR_HBE_6) |
@@ -835,18 +835,18 @@
 	NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_GENERAL_CONTROL,
 		      regp->ramdac_gen_ctrl);
 
-	regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitch >> 3;
+	regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitches[0] >> 3;
 	regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
-		XLATE(drm_fb->pitch >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
+		XLATE(drm_fb->pitches[0] >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
 	regp->CRTC[NV_CIO_CRE_42] =
-		XLATE(drm_fb->pitch / 8, 11, NV_CIO_CRE_42_OFFSET_11);
+		XLATE(drm_fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
 	crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_RPC0_INDEX);
 	crtc_wr_cio_state(crtc, regp, NV_CIO_CR_OFFSET_INDEX);
 	crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_42);
 
 	/* Update the framebuffer location. */
 	regp->fb_start = nv_crtc->fb.offset & ~3;
-	regp->fb_start += (y * drm_fb->pitch) + (x * drm_fb->bits_per_pixel / 8);
+	regp->fb_start += (y * drm_fb->pitches[0]) + (x * drm_fb->bits_per_pixel / 8);
 	nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start);
 
 	/* Update the arbitration parameters. */