RADEON: fix rotation on avivo chips

There are still some issues, but this is better than before.

3 files changed, 35 insertions, 7 deletions

diff --git a/src/atombios_crtc.c b/src/atombios_crtc.c
index 3c61ef7..5b09107 100644
--- a/src/atombios_crtc.c
+++ b/src/atombios_crtc.c
@@ -238,7 +238,7 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode)
     SET_PIXEL_CLOCK_PS_ALLOCATION spc_param;
     void *ptr;
     AtomBiosArgRec data;
-    unsigned char *space;    
+    unsigned char *space;
     RADEONSavePtr save = info->ModeReg;
     
     if (IS_AVIVO_VARIANT) {
@@ -383,7 +383,8 @@ atombios_crtc_mode_set(xf86CrtcPtr crtc,
 	default:
 	    FatalError("Unsupported screen depth: %d\n", xf86GetDepth());
 	}
-	if (info->tilingEnabled) {
+
+	if (info->tilingEnabled && (crtc->rotatedData == NULL)) {
 	    radeon_crtc->fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
 	}
 
@@ -394,24 +395,47 @@ atombios_crtc_mode_set(xf86CrtcPtr crtc,
 
 	/* setup fb format and location
 	 */
-	OUTREG(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y);
-	OUTREG(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
-	       (mode->HDisplay << 16) | mode->VDisplay);
+	if (crtc->rotatedData != NULL) {
+	    /* x/y offset is already included */
+	    x = 0;
+	    y = 0;
+	    fb_location = fb_location + (char *)crtc->rotatedData - (char *)info->FB;
+	}
+
+	/* lock the grph regs */
+	OUTREG(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, AVIVO_D1GRPH_UPDATE_LOCK);
 
 	OUTREG(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
 	OUTREG(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
 	OUTREG(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset,
 	       radeon_crtc->fb_format);
 
+	OUTREG(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
+	OUTREG(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
+	OUTREG(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
+	OUTREG(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
 	OUTREG(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset,
 	       crtc->scrn->virtualX);
 	OUTREG(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset,
 	       crtc->scrn->virtualY);
 	OUTREG(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset,
 	       crtc->scrn->displayWidth);
-
 	OUTREG(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 
+	/* unlock the grph regs */
+	OUTREG(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, 0);
+
+	/* lock the mode regs */
+	OUTREG(AVIVO_D1SCL_UPDATE + radeon_crtc->crtc_offset, AVIVO_D1SCL_UPDATE_LOCK);
+
+	OUTREG(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
+	       crtc->scrn->virtualY);
+	OUTREG(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y);
+	OUTREG(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+	       (mode->HDisplay << 16) | mode->VDisplay);
+	/* unlock the mode regs */
+	OUTREG(AVIVO_D1SCL_UPDATE + radeon_crtc->crtc_offset, 0);
+
     }
 
     atombios_crtc_set_pll(crtc, adjusted_mode);
diff --git a/src/radeon_crtc.c b/src/radeon_crtc.c
index fa2aba0..caf7369 100644
--- a/src/radeon_crtc.c
+++ b/src/radeon_crtc.c
@@ -1268,7 +1268,7 @@ radeon_crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
 
     if (!data)
 	data = radeon_crtc_shadow_allocate(crtc, width, height);
-    
+
     rotate_pitch = pScrn->displayWidth * cpp;
 
     rotate_pixmap = GetScratchPixmapHeader(pScrn->pScreen,
diff --git a/src/radeon_reg.h b/src/radeon_reg.h
index 8737d2e..e7ef932 100644
--- a/src/radeon_reg.h
+++ b/src/radeon_reg.h
@@ -3390,6 +3390,7 @@
 #define AVIVO_D1GRPH_X_END                                      0x6134
 #define AVIVO_D1GRPH_Y_END                                      0x6138
 #define AVIVO_D1GRPH_UPDATE                                     0x6144
+#       define AVIVO_D1GRPH_UPDATE_LOCK                 (1<<16)
 #define AVIVO_D1GRPH_FLIP_CONTROL                               0x6148
 
 #define AVIVO_D1CUR_CONTROL                     0x6400
@@ -3421,12 +3422,15 @@
 #define AVIVO_DC_LUTA_WHITE_OFFSET_RED          0x64d8
 
 
+#define AVIVO_D1MODE_DESKTOP_HEIGHT             0x652C
 #define AVIVO_D1MODE_VIEWPORT_START             0x6580
 #define AVIVO_D1MODE_VIEWPORT_SIZE              0x6584
 #define AVIVO_D1MODE_EXT_OVERSCAN_LEFT_RIGHT    0x6588
 #define AVIVO_D1MODE_EXT_OVERSCAN_TOP_BOTTOM    0x658c
 
 #define AVIVO_D1SCL_SCALER_ENABLE               0x6590
+#define AVIVO_D1SCL_UPDATE                      0x65cc
+#       define AVIVO_D1SCL_UPDATE_LOCK         (1<<16)
 
 /* second crtc */
 #define AVIVO_D2CRTC_H_TOTAL					0x6800