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temporarly disable screen blanking; setting V/H blank start/end is what was causing empty display, disabled for now; Hardware video mode setting is close!

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41753 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Alexander von Gluck IV 2011-05-25 22:42:37 +00:00
parent e78a1b6a6f
commit 2cc7e38c93
1 changed files with 35 additions and 28 deletions
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63
src/add-ons/accelerants/radeon_hd/mode.cpp
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@ -130,23 +130,23 @@ get_color_space_format(const display_mode &mode, uint32 &colorMode,
// Blacks the screen out, useful for mode setting
static void
CardBlankSet(int crtNumber, bool blank)
{
int blackColorReg;
int blankControlReg;
if (crtNumber == 1) {
blackColorReg = D2CRTC_BLACK_COLOR;
blankControlReg = D2CRTC_BLANK_CONTROL;
} else {
blackColorReg = D1CRTC_BLACK_COLOR;
blankControlReg = D1CRTC_BLANK_CONTROL;
}
write32(blackColorReg, 0);
write32AtMask(blankControlReg, blank ? 1 << 8 : 0, 1 << 8);
}
//static void
//CardBlankSet(int crtNumber, bool blank)
//{
// int blackColorReg;
// int blankControlReg;
//
// if (crtNumber == 1) {
// blackColorReg = D2CRTC_BLACK_COLOR;
// blankControlReg = D2CRTC_BLANK_CONTROL;
// } else {
// blackColorReg = D1CRTC_BLACK_COLOR;
// blankControlReg = D1CRTC_BLANK_CONTROL;
// }
//
// write32(blackColorReg, 0);
// write32AtMask(blankControlReg, blank ? 1 << 8 : 0, 1 << 8);
//}
static void
@ -223,7 +223,7 @@ CardModeSet(int crtNumber, display_mode *mode)
uint16_t regOffset = (crtNumber == 0)
? gRegister->regOffsetCRT0 : gRegister->regOffsetCRT1;
CardBlankSet(crtNumber, true);
//CardBlankSet(crtNumber, true);
display_timing& displayTiming = mode->timing;
@ -237,11 +237,11 @@ CardModeSet(int crtNumber, display_mode *mode)
write32(regOffset + D1CRTC_H_TOTAL, displayTiming.h_total - 1);
// determine blanking based on passed modeline
uint16 blankStart = displayTiming.h_display + 1;
uint16 blankEnd = displayTiming.h_total;
//uint16 blankStart = displayTiming.h_display;
//uint16 blankEnd = displayTiming.h_total;
write32(regOffset + D1CRTC_H_BLANK_START_END,
blankStart | (blankEnd << 16));
//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);
@ -253,11 +253,11 @@ CardModeSet(int crtNumber, display_mode *mode)
// *** Vertical
write32(regOffset + D1CRTC_V_TOTAL, displayTiming.v_total - 1);
blankStart = displayTiming.v_display;
blankEnd = displayTiming.v_total;
//blankStart = displayTiming.v_display;
//blankEnd = displayTiming.v_total;
write32(regOffset + D1CRTC_V_BLANK_START_END,
blankStart | (blankEnd << 16));
//write32(regOffset + D1CRTC_V_BLANK_START_END,
// blankStart | (blankEnd << 16));
// Set Interlace if specified within mode line
if (displayTiming.flags & B_TIMING_INTERLACED) {
@ -281,7 +281,7 @@ CardModeSet(int crtNumber, display_mode *mode)
*/
write32AtMask(regOffset + D1CRTC_COUNT_CONTROL, 0x0, 0x1);
CardBlankSet(crtNumber, false);
//CardBlankSet(crtNumber, false);
}
@ -300,9 +300,15 @@ CardModeScale(int crtNumber, display_mode *mode)
write32(regOffset + D1MODE_EXT_OVERSCAN_TOP_BOTTOM,
(Overscan.OverscanTop << 16) | Overscan.OverscanBottom);
*/
// No scaling
write32(regOffset + D1SCL_ENABLE, 0);
write32(regOffset + D1SCL_TAP_CONTROL, 0);
write32(regOffset + D1MODE_CENTER, 2);
write32(regOffset + D1MODE_CENTER, 0);
#if 0
// Auto scale keeping aspect ratio
write32(regOffset + D1MODE_CENTER, 1);
write32(regOffset + D1SCL_UPDATE, 0);
write32(regOffset + D1SCL_FLIP_CONTROL, 0);
@ -316,6 +322,7 @@ CardModeScale(int crtNumber, display_mode *mode)
write32(regOffset + D1SCL_VFILTER, 0x00030100);
write32(regOffset + D1SCL_DITHER, 0x00001010);
#endif
}