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Scale the output to the correct resolution. Finally got the correct resolution on my laptop :-)

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Possibly fixed the monitor timming.

TODO: 
- Very big code cleanup.
- At the moment there is only one hardcoded dislplay_mode (1366 x 768).




git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36282 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Clemens Zeidler
2010-04-15 09:01:35 +00:00
parent 8ef609cc5f
commit d5009951b7
1 changed files with 44 additions and 10 deletions
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src/add-ons/accelerants/radeon_hd/mode.cpp
+44 -10
View File
@@ -142,7 +142,19 @@ enum {
D1MODE_VIEWPORT_SIZE = 0x6584,
D1MODE_EXT_OVERSCAN_LEFT_RIGHT = 0x6588,
D1MODE_EXT_OVERSCAN_TOP_BOTTOM = 0x658C,
D1MODE_DATA_FORMAT = 0x6528
D1MODE_DATA_FORMAT = 0x6528,
/* D1SCL */
D1SCL_ENABLE = 0x6590,
D1SCL_TAP_CONTROL = 0x6594,
D1MODE_CENTER = 0x659C, /* guess */
D1SCL_HVSCALE = 0x65A4, /* guess */
D1SCL_HFILTER = 0x65B0, /* guess */
D1SCL_VFILTER = 0x65C0, /* guess */
D1SCL_UPDATE = 0x65CC,
D1SCL_DITHER = 0x65D4, /* guess */
D1SCL_FLIP_CONTROL = 0x65D8 /* guess */
};
@@ -202,10 +214,10 @@ DxModeSet(display_mode *mode)
/* Horizontal */
write32(regOffset + D1CRTC_H_TOTAL, displayTiming.h_total - 1);
uint16 blankStart = displayTiming.h_sync_end;
uint16 blankEnd = displayTiming.h_total;
write32(regOffset + D1CRTC_H_BLANK_START_END,
blankStart | (blankEnd << 16));
uint16 blankStart = displayTiming.h_display; //displayTiming.h_sync_end;
uint16 blankEnd = displayTiming.h_sync_start;//displayTiming.h_total;
// write32(regOffset + D1CRTC_H_BLANK_START_END,
// blankStart | (blankEnd << 16));
write32(regOffset + D1CRTC_H_SYNC_A,
(displayTiming.h_sync_end - displayTiming.h_sync_start) << 16);
@@ -215,10 +227,10 @@ DxModeSet(display_mode *mode)
/* Vertical */
write32(regOffset + D1CRTC_V_TOTAL, displayTiming.v_total - 1);
blankStart = displayTiming.v_sync_end;
blankEnd = displayTiming.v_total;
write32(regOffset + D1CRTC_V_BLANK_START_END,
blankStart | (blankEnd << 16));
blankStart = displayTiming.v_display;//displayTiming.v_sync_end;
blankEnd = displayTiming.v_sync_start;//displayTiming.v_total;
// write32(regOffset + D1CRTC_V_BLANK_START_END,
// blankStart | (blankEnd << 16));
/* set interlaced */
//if (Mode->Flags & V_INTERLACE) {
@@ -241,11 +253,33 @@ DxModeSet(display_mode *mode)
}
static void
DxModeScale(display_mode *mode)
{
uint32 regOffset = D1_REG_OFFSET;
/* D1Mode registers */
write32(regOffset + D1MODE_VIEWPORT_SIZE,
mode->timing.v_display | (mode->timing.h_display << 16));
write32(regOffset + D1MODE_VIEWPORT_START, 0);
/* write32(regOffset + D1MODE_EXT_OVERSCAN_LEFT_RIGHT,
(Overscan.OverscanLeft << 16) | Overscan.OverscanRight);
write32(regOffset + D1MODE_EXT_OVERSCAN_TOP_BOTTOM,
(Overscan.OverscanTop << 16) | Overscan.OverscanBottom);
*/
write32(regOffset + D1SCL_ENABLE, 0);
write32(regOffset + D1SCL_TAP_CONTROL, 0);
write32(regOffset + D1MODE_CENTER, 0);
}
status_t
radeon_set_display_mode(display_mode *mode)
{
//DxModeSet(mode);
DxModeSet(mode);
DxModeScale(mode);
uint32 colorMode, bytesPerRow, bitsPerPixel;
get_color_space_format(*mode, colorMode, bytesPerRow, bitsPerPixel);