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ati-vga: Fixes to offset and pitch registers

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Fix bit masks of registers for offset and pitch and also handle
default values for both R128P and RV100. This improves picture a bit
but does not resolve all problems yet so there might be some more bugs
somewhere.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 20190624100005.7A1CA746395@zero.eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
BALATON Zoltan 2019-06-24 11:50:12 +02:00 committed by Gerd Hoffmann
parent c82c7336de
commit 866ad5f5ff
4 changed files with 43 additions and 20 deletions
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32
hw/display/ati.c
View File

@ -419,9 +419,15 @@ static uint64_t ati_mm_read(void *opaque, hwaddr addr, unsigned int size)
break;
case DEFAULT_OFFSET:
val = s->regs.default_offset;
if (s->dev_id != PCI_DEVICE_ID_ATI_RAGE128_PF) {
val >>= 10;
val |= s->regs.default_pitch << 16;
val |= s->regs.default_tile << 30;
}
break;
case DEFAULT_PITCH:
val = s->regs.default_pitch;
val |= s->regs.default_tile << 16;
break;
case DEFAULT_SC_BOTTOM_RIGHT:
val = s->regs.default_sc_bottom_right;
@ -682,22 +688,22 @@ static void ati_mm_write(void *opaque, hwaddr addr,
break;
case SRC_PITCH_OFFSET:
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
s->regs.src_offset = (data & 0x1fffff) << 5;
s->regs.src_pitch = (data >> 21) & 0x3ff;
s->regs.src_offset = (data & 0x1fffff) << 4;
s->regs.src_pitch = (data & 0x7fe00000) >> 21;
s->regs.src_tile = data >> 31;
} else {
s->regs.src_offset = (data & 0x3fffff) << 11;
s->regs.src_offset = (data & 0x3fffff) << 10;
s->regs.src_pitch = (data & 0x3fc00000) >> 16;
s->regs.src_tile = (data >> 30) & 1;
}
break;
case DST_PITCH_OFFSET:
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
s->regs.dst_offset = (data & 0x1fffff) << 5;
s->regs.dst_pitch = (data >> 21) & 0x3ff;
s->regs.dst_offset = (data & 0x1fffff) << 4;
s->regs.dst_pitch = (data & 0x7fe00000) >> 21;
s->regs.dst_tile = data >> 31;
} else {
s->regs.dst_offset = (data & 0x3fffff) << 11;
s->regs.dst_offset = (data & 0x3fffff) << 10;
s->regs.dst_pitch = (data & 0x3fc00000) >> 16;
s->regs.dst_tile = data >> 30;
}
@ -777,13 +783,19 @@ static void ati_mm_write(void *opaque, hwaddr addr,
s->regs.dp_write_mask = data;
break;
case DEFAULT_OFFSET:
data &= (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF ?
0x03fffc00 : 0xfffffc00);
s->regs.default_offset = data;
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
s->regs.default_offset = data & 0xfffffff0;
} else {
/* Radeon has DEFAULT_PITCH_OFFSET here like DST_PITCH_OFFSET */
s->regs.default_offset = (data & 0x3fffff) << 10;
s->regs.default_pitch = (data & 0x3fc00000) >> 16;
s->regs.default_tile = data >> 30;
}
break;
case DEFAULT_PITCH:
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
s->regs.default_pitch = data & 0x103ff;
s->regs.default_pitch = data & 0x3fff;
s->regs.default_tile = (data >> 16) & 1;
}
break;
case DEFAULT_SC_BOTTOM_RIGHT:

26
hw/display/ati_2d.c
View File

@ -51,8 +51,9 @@ void ati_2d_blt(ATIVGAState *s)
s->vga.vbe_start_addr, surface_data(ds), surface_stride(ds),
surface_bits_per_pixel(ds),
(s->regs.dp_mix & GMC_ROP3_MASK) >> 16);
DPRINTF("%d %d, %d %d, (%d,%d) -> (%d,%d) %dx%d\n", s->regs.src_offset,
s->regs.dst_offset, s->regs.src_pitch, s->regs.dst_pitch,
DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d\n",
s->regs.src_offset, s->regs.dst_offset, s->regs.default_offset,
s->regs.src_pitch, s->regs.dst_pitch, s->regs.default_pitch,
s->regs.src_x, s->regs.src_y, s->regs.dst_x, s->regs.dst_y,
s->regs.dst_width, s->regs.dst_height);
switch (s->regs.dp_mix & GMC_ROP3_MASK) {
@ -60,10 +61,16 @@ void ati_2d_blt(ATIVGAState *s)
{
uint8_t *src_bits, *dst_bits, *end;
int src_stride, dst_stride, bpp = ati_bpp_from_datatype(s);
src_bits = s->vga.vram_ptr + s->regs.src_offset;
dst_bits = s->vga.vram_ptr + s->regs.dst_offset;
src_stride = s->regs.src_pitch;
dst_stride = s->regs.dst_pitch;
src_bits = s->vga.vram_ptr +
(s->regs.dp_gui_master_cntl & GMC_SRC_PITCH_OFFSET_CNTL ?
s->regs.src_offset : s->regs.default_offset);
dst_bits = s->vga.vram_ptr +
(s->regs.dp_gui_master_cntl & GMC_DST_PITCH_OFFSET_CNTL ?
s->regs.dst_offset : s->regs.default_offset);
src_stride = (s->regs.dp_gui_master_cntl & GMC_SRC_PITCH_OFFSET_CNTL ?
s->regs.src_pitch : s->regs.default_pitch);
dst_stride = (s->regs.dp_gui_master_cntl & GMC_DST_PITCH_OFFSET_CNTL ?
s->regs.dst_pitch : s->regs.default_pitch);
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
src_bits += s->regs.crtc_offset & 0x07ffffff;
@ -111,8 +118,11 @@ void ati_2d_blt(ATIVGAState *s)
uint8_t *dst_bits, *end;
int dst_stride, bpp = ati_bpp_from_datatype(s);
uint32_t filler = 0;
dst_bits = s->vga.vram_ptr + s->regs.dst_offset;
dst_stride = s->regs.dst_pitch;
dst_bits = s->vga.vram_ptr +
(s->regs.dp_gui_master_cntl & GMC_DST_PITCH_OFFSET_CNTL ?
s->regs.dst_offset : s->regs.default_offset);
dst_stride = (s->regs.dp_gui_master_cntl & GMC_DST_PITCH_OFFSET_CNTL ?
s->regs.dst_pitch : s->regs.default_pitch);
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
dst_bits += s->regs.crtc_offset & 0x07ffffff;

1
hw/display/ati_int.h
View File

@ -74,6 +74,7 @@ typedef struct ATIVGARegs {
uint32_t dp_write_mask;
uint32_t default_offset;
uint32_t default_pitch;
uint32_t default_tile;
uint32_t default_sc_bottom_right;
} ATIVGARegs;

4
hw/display/ati_regs.h
View File

@ -370,8 +370,8 @@
#define BRUSH_SOLIDCOLOR 0x00000d00
/* DP_GUI_MASTER_CNTL bit constants */
#define GMC_SRC_PITCH_OFFSET_DEFAULT 0x00000000
#define GMC_DST_PITCH_OFFSET_DEFAULT 0x00000000
#define GMC_SRC_PITCH_OFFSET_CNTL 0x00000001
#define GMC_DST_PITCH_OFFSET_CNTL 0x00000002
#define GMC_SRC_CLIP_DEFAULT 0x00000000
#define GMC_DST_CLIP_DEFAULT 0x00000000
#define GMC_BRUSH_SOLIDCOLOR 0x000000d0