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-rw-r--r--src/radeon.h3
-rw-r--r--src/radeon_driver.c15
-rw-r--r--src/radeon_reg.h4
3 files changed, 19 insertions, 3 deletions
diff --git a/src/radeon.h b/src/radeon.h
index 3e79c1b2..88402df5 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -318,7 +318,10 @@ typedef struct {
CARD32 tv_dac_cntl;
+ CARD32 rs480_unk_e30;
+ CARD32 rs480_unk_e34;
CARD32 rs480_unk_e38;
+ CARD32 rs480_unk_e3c;
} RADEONSaveRec, *RADEONSavePtr;
typedef struct {
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index a3d8a033..5eca577a 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -4665,7 +4665,10 @@ static void RADEONRestoreCrtc2Registers(ScrnInfoPtr pScrn,
OUTREG(RADEON_DISP2_MERGE_CNTL, restore->disp2_merge_cntl);
if (info->ChipFamily == CHIP_FAMILY_RS400) {
+ OUTREG(RADEON_RS480_UNK_e30, restore->rs480_unk_e30);
+ OUTREG(RADEON_RS480_UNK_e34, restore->rs480_unk_e34);
OUTREG(RADEON_RS480_UNK_e38, restore->rs480_unk_e38);
+ OUTREG(RADEON_RS480_UNK_e3c, restore->rs480_unk_e3c);
}
OUTREG(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
@@ -5363,8 +5366,12 @@ static void RADEONSaveCrtc2Registers(ScrnInfoPtr pScrn, RADEONSavePtr save)
save->fp_h2_sync_strt_wid = INREG (RADEON_FP_H2_SYNC_STRT_WID);
save->fp_v2_sync_strt_wid = INREG (RADEON_FP_V2_SYNC_STRT_WID);
- if (info->ChipFamily == CHIP_FAMILY_RS400)
+ if (info->ChipFamily == CHIP_FAMILY_RS400) {
+ save->rs480_unk_e30 = INREG(RADEON_RS480_UNK_e30);
+ save->rs480_unk_e34 = INREG(RADEON_RS480_UNK_e34);
save->rs480_unk_e38 = INREG(RADEON_RS480_UNK_e38);
+ save->rs480_unk_e3c = INREG(RADEON_RS480_UNK_e3c);
+ }
save->disp2_merge_cntl = INREG(RADEON_DISP2_MERGE_CNTL);
}
@@ -6241,8 +6248,10 @@ static Bool RADEONInitCrtc2Registers(ScrnInfoPtr pScrn, RADEONSavePtr save,
#endif
if (info->ChipFamily == CHIP_FAMILY_RS400) {
- save->rs480_unk_e38 = info->SavedReg.rs480_unk_e38 & ~(0x300);
- save->rs480_unk_e38 |= 0x100;
+ save->rs480_unk_e30 = 0x105DC1CC; /* because I'm worth it */
+ save->rs480_unk_e34 = 0x2749D000; /* AMD really should */
+ save->rs480_unk_e38 = 0x29ca71dc; /* release docs */
+ save->rs480_unk_e3c = 0x28FBC3AC; /* this is so a trade secret */
}
return TRUE;
diff --git a/src/radeon_reg.h b/src/radeon_reg.h
index 476c56b6..01bcec80 100644
--- a/src/radeon_reg.h
+++ b/src/radeon_reg.h
@@ -3127,5 +3127,9 @@
# define RADEON_TVPLL_SLEEP (1 << 3)
# define RADEON_TVPLL_REFCLK_SEL (1 << 4)
+#define RADEON_RS480_UNK_e30 0xe30
+#define RADEON_RS480_UNK_e34 0xe34
#define RADEON_RS480_UNK_e38 0xe38
+#define RADEON_RS480_UNK_e3c 0xe3c
+
#endif