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Minor cleanup.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19002 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-10-05 12:11:18 +00:00
parent e12e7a2004
commit a459c8e0d8
1 changed files with 186 additions and 243 deletions
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src/add-ons/accelerants/nvidia/ProposeDisplayMode.c
+186 -243
View File
@@ -87,11 +87,14 @@ static const display_mode mode_list[] = {
{ { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */
/* 16:10 panel mode; 2.304M pixels */
{ { 193200, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */
/* 16:9 panel mode; 1280x720 */
{ { 74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, T_POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */
};
/*
Check mode is between low and high limits
returns:
/*!
Check mode is between low and high limits.
Returns:
B_OK - found one
B_BAD_VALUE - mode can be made, but outside limits
B_ERROR - not possible
@@ -108,7 +111,8 @@ returns:
*/
/* Note:
* The target mode should be modified to correspond to the mode as it can be made. */
status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high)
status_t
PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high)
{
status_t status = B_OK;
float pix_clock_found, target_aspect;
@@ -116,17 +120,13 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
status_t result;
uint32 max_vclk, row_bytes, mem_reservation;
bool acc_mode;
double target_refresh = ((double)target->timing.pixel_clock * 1000.0) /
(
(double)target->timing.h_total *
(double)target->timing.v_total
);
bool
want_same_width = target->timing.h_display == target->virtual_width,
want_same_height = target->timing.v_display == target->virtual_height;
double target_refresh = ((double)target->timing.pixel_clock * 1000.0)
/ ((double)target->timing.h_total * (double)target->timing.v_total);
bool want_same_width = target->timing.h_display == target->virtual_width;
bool want_same_height = target->timing.v_display == target->virtual_height;
LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n",
target->virtual_width, target->virtual_height));
target->virtual_width, target->virtual_height));
/*check valid list:
if (VALID_REQUIRED is set)
@@ -141,7 +141,8 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
}
}
*/
#ifdef VALID_MODE_REQUIRED
#ifdef VALID_MODE_REQUIRED
{
int i;
int closest_mode_ptr;
@@ -151,118 +152,96 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
closest_mode_ptr = 0xbad;
closest_mode_clock = 0;
for (i=0;i<VALID_MODES;i++)
{
for (i = 0; i < VALID_MODES; i++) {
/*check size is ok and clock is better than any found before*/
if(
target->timing.h_display==valid_mode_list[i].h_display &&
target->timing.v_display==valid_mode_list[i].v_display
)
{
if (
abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)<
abs(closest_mode_clock-target->timing.pixel_clock)
)
{
closest_mode_clock=valid_mode_list[i].pixel_clock;
closest_mode_ptr=i;
if (target->timing.h_display == valid_mode_list[i].h_display
&& target->timing.v_display == valid_mode_list[i].v_display) {
if (abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)
< abs(closest_mode_clock-target->timing.pixel_clock)) {
closest_mode_clock = valid_mode_list[i].pixel_clock;
closest_mode_ptr = i;
}
}
}
if (closest_mode_ptr==0xbad)/*if no modes of correct size*/
{
if (closest_mode_ptr == 0xbad) {
/* if no modes of correct size */
LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n"));
return B_ERROR;
} else {
target->timing = valid_mode_list[closest_mode_ptr];
/* I require this refresh */
target_refresh = ((double)target->timing.pixel_clock * 1000.0)
/ ((double)target->timing.h_total * (double)target->timing.v_total);
}
else
{
target->timing=valid_mode_list[closest_mode_ptr];
target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/
((double)target->timing.h_total * (double)target->timing.v_total);
}
}
#endif
}
#endif
/*find a nearby valid timing from that given*/
result = head1_validate_timing
(
&target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total,
&target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total
);
if (result == B_ERROR)
{
result = head1_validate_timing(&target->timing.h_display,
&target->timing.h_sync_start, &target->timing.h_sync_end,
&target->timing.h_total, &target->timing.v_display,
&target->timing.v_sync_start, &target->timing.v_sync_end,
&target->timing.v_total);
if (result == B_ERROR) {
LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n"));
return result;
}
/* disable aspect checks for a requested TVout mode when mode is TVout capable */
if (!(si->ps.tvout) ||
!(BT_check_tvmode(*target) && (target->flags & TV_BITS)))
{
if (!si->ps.tvout
|| !(BT_check_tvmode(*target) && (target->flags & TV_BITS))) {
/* check if all connected output devices can display the requested mode's aspect: */
/* calculate display mode aspect */
target_aspect = (target->timing.h_display / ((float)target->timing.v_display));
/* NOTE:
* allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */
switch (si->ps.monitors)
{
case 0x01: /* digital panel on head 1, nothing on head 2 */
if (si->ps.panel1_aspect < (target_aspect - 0.10))
{
LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n"));
return B_ERROR;
}
break;
case 0x10: /* nothing on head 1, digital panel on head 2 */
if (si->ps.panel2_aspect < (target_aspect - 0.10))
{
LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n"));
return B_ERROR;
}
break;
case 0x11: /* digital panels on both heads */
if ((si->ps.panel1_aspect < (target_aspect - 0.10)) ||
(si->ps.panel2_aspect < (target_aspect - 0.10)))
{
LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n"));
return B_ERROR;
}
break;
default: /* at least one analog monitor is connected, or nothing detected at all */
/* (if forcing widescreen type was requested don't block mode) */
if ((target_aspect > 1.34) && !(si->settings.force_ws))
{
LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n"));
return B_ERROR;
}
break;
switch (si->ps.monitors) {
case 0x01: /* digital panel on head 1, nothing on head 2 */
if (si->ps.panel1_aspect < (target_aspect - 0.10)) {
LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n"));
return B_ERROR;
}
break;
case 0x10: /* nothing on head 1, digital panel on head 2 */
if (si->ps.panel2_aspect < (target_aspect - 0.10)) {
LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n"));
return B_ERROR;
}
break;
case 0x11: /* digital panels on both heads */
if ((si->ps.panel1_aspect < (target_aspect - 0.10))
|| (si->ps.panel2_aspect < (target_aspect - 0.10))) {
LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n"));
return B_ERROR;
}
break;
default:
/* at least one analog monitor is connected, or nothing detected at all */
/* (if forcing widescreen type was requested don't block mode) */
if (target_aspect > 1.34 && !si->settings.force_ws) {
LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n"));
return B_ERROR;
}
break;
}
/* only export widescreen panel-TV modes when an exact resolution match exists,
* to prevent the modelist from becoming too crowded */
if (target_aspect > 1.61)
{
if (target_aspect > 1.61) {
status_t panel_TV_stat = B_ERROR;
if (si->ps.tmds1_active)
{
if ((target->timing.h_display == si->ps.p1_timing.h_display) &&
(target->timing.v_display == si->ps.p1_timing.v_display))
{
if (si->ps.tmds1_active) {
if (target->timing.h_display == si->ps.p1_timing.h_display
&& target->timing.v_display == si->ps.p1_timing.v_display)
panel_TV_stat = B_OK;
}
}
if (si->ps.tmds2_active)
{
if ((target->timing.h_display == si->ps.p2_timing.h_display) &&
(target->timing.v_display == si->ps.p2_timing.v_display))
{
if (si->ps.tmds2_active) {
if (target->timing.h_display == si->ps.p2_timing.h_display
&& target->timing.v_display == si->ps.p2_timing.v_display)
panel_TV_stat = B_OK;
}
}
if (panel_TV_stat != B_OK)
{
if (panel_TV_stat != B_OK) {
LOG(4, ("PROPOSEMODE: WS panel_TV mode requested but no such TV here, aborted.\n"));
return B_ERROR;
}
@@ -270,114 +249,102 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
}
/* check if panel(s) can display the requested resolution (if connected) */
if (si->ps.tmds1_active)
{
if ((target->timing.h_display > si->ps.p1_timing.h_display) ||
(target->timing.v_display > si->ps.p1_timing.v_display))
{
if (si->ps.tmds1_active) {
if (target->timing.h_display > si->ps.p1_timing.h_display
|| target->timing.v_display > si->ps.p1_timing.v_display) {
LOG(4, ("PROPOSEMODE: panel1 can't display requested resolution, aborted.\n"));
return B_ERROR;
}
}
if (si->ps.tmds2_active)
{
if ((target->timing.h_display > si->ps.p2_timing.h_display) ||
(target->timing.v_display > si->ps.p2_timing.v_display))
{
if (si->ps.tmds2_active) {
if (target->timing.h_display > si->ps.p2_timing.h_display
|| target->timing.v_display > si->ps.p2_timing.v_display) {
LOG(4, ("PROPOSEMODE: panel2 can't display requested resolution, aborted.\n"));
return B_ERROR;
}
}
/* validate display vs. virtual */
if ((target->timing.h_display > target->virtual_width) || want_same_width)
if (target->timing.h_display > target->virtual_width || want_same_width)
target->virtual_width = target->timing.h_display;
if ((target->timing.v_display > target->virtual_height) || want_same_height)
if (target->timing.v_display > target->virtual_height || want_same_height)
target->virtual_height = target->timing.v_display;
/* nail virtual size and 'subsequently' calculate rowbytes */
result = nv_general_validate_pic_size (target, &row_bytes, &acc_mode);
if (result == B_ERROR)
{
result = nv_general_validate_pic_size(target, &row_bytes, &acc_mode);
if (result == B_ERROR) {
LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n"));
return result;
}
/*check if virtual_width is still within the requested limits*/
if ((target->virtual_width < low->virtual_width) ||
(target->virtual_width > high->virtual_width))
{
/* check if virtual_width is still within the requested limits */
if (target->virtual_width < low->virtual_width
|| target->virtual_width > high->virtual_width) {
status = B_BAD_VALUE;
LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n"));
}
/*check if timing found is within the requested horizontal limits*/
if ((target->timing.h_display < low->timing.h_display) ||
(target->timing.h_display > high->timing.h_display) ||
(target->timing.h_sync_start < low->timing.h_sync_start) ||
(target->timing.h_sync_start > high->timing.h_sync_start) ||
(target->timing.h_sync_end < low->timing.h_sync_end) ||
(target->timing.h_sync_end > high->timing.h_sync_end) ||
(target->timing.h_total < low->timing.h_total) ||
(target->timing.h_total > high->timing.h_total))
{
/* check if timing found is within the requested horizontal limits */
if (target->timing.h_display < low->timing.h_display
|| target->timing.h_display > high->timing.h_display
|| target->timing.h_sync_start < low->timing.h_sync_start
|| target->timing.h_sync_start > high->timing.h_sync_start
|| target->timing.h_sync_end < low->timing.h_sync_end
|| target->timing.h_sync_end > high->timing.h_sync_end
|| target->timing.h_total < low->timing.h_total
|| target->timing.h_total > high->timing.h_total) {
/* BWindowScreen workaround: we accept everything except h_display deviations */
if ((target->timing.h_display < low->timing.h_display) ||
(target->timing.h_display > high->timing.h_display))
{
if (target->timing.h_display < low->timing.h_display
|| target->timing.h_display > high->timing.h_display)
status = B_BAD_VALUE;
}
LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n"));
}
/*check if timing found is within the requested vertical limits*/
if (
(target->timing.v_display < low->timing.v_display) ||
(target->timing.v_display > high->timing.v_display) ||
(target->timing.v_sync_start < low->timing.v_sync_start) ||
(target->timing.v_sync_start > high->timing.v_sync_start) ||
(target->timing.v_sync_end < low->timing.v_sync_end) ||
(target->timing.v_sync_end > high->timing.v_sync_end) ||
(target->timing.v_total < low->timing.v_total) ||
(target->timing.v_total > high->timing.v_total)
)
{
/* check if timing found is within the requested vertical limits */
if (target->timing.v_display < low->timing.v_display
|| target->timing.v_display > high->timing.v_display
|| target->timing.v_sync_start < low->timing.v_sync_start
|| target->timing.v_sync_start > high->timing.v_sync_start
|| target->timing.v_sync_end < low->timing.v_sync_end
|| target->timing.v_sync_end > high->timing.v_sync_end
|| target->timing.v_total < low->timing.v_total
|| target->timing.v_total > high->timing.v_total) {
/* BWindowScreen workaround: we accept everything except v_display deviations */
if ((target->timing.v_display < low->timing.v_display) ||
(target->timing.v_display > high->timing.v_display))
{
if (target->timing.v_display < low->timing.v_display
|| target->timing.v_display > high->timing.v_display)
status = B_BAD_VALUE;
}
LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n"));
}
/* adjust pixelclock for possible timing modifications done above */
target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0;
target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total)
* ((double)target->timing.v_total) / 1000.0;
/* Now find the nearest valid pixelclock we actually can setup for the target mode,
* this also makes sure we don't generate more pixel bandwidth than the device can handle */
/* calculate settings, but do not actually test anything (that costs too much time!) */
result = head1_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0);
result = head1_pix_pll_find(*target, &pix_clock_found, &m, &n, &p, 0);
/* update the target mode */
target->timing.pixel_clock = (pix_clock_found * 1000);
target->timing.pixel_clock = pix_clock_found * 1000;
/* note if we fell outside the limits */
if ((target->timing.pixel_clock < low->timing.pixel_clock) ||
(target->timing.pixel_clock > high->timing.pixel_clock)
)
{
if (target->timing.pixel_clock < low->timing.pixel_clock
|| target->timing.pixel_clock > high->timing.pixel_clock) {
/* BWindowScreen workaround: we accept deviations <= 1Mhz */
if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) ||
(target->timing.pixel_clock > (high->timing.pixel_clock + 1000)))
{
if (target->timing.pixel_clock < low->timing.pixel_clock - 1000
|| target->timing.pixel_clock > high->timing.pixel_clock + 1000)
status = B_BAD_VALUE;
}
LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n"));
}
mem_reservation = 0;
/* checkout space needed for hardcursor (if any) */
if (si->settings.hardcursor) mem_reservation = 2048;
if (si->settings.hardcursor)
mem_reservation = 2048;
/* Reserve extra space as a workaround for certain bugs (see DriverInterface.h
* for an explanation). */
if (si->ps.card_arch < NV40A)
@@ -386,23 +353,19 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
mem_reservation += NV40_PLUS_OFFSET;
/* memory requirement for frame buffer */
if ((row_bytes * target->virtual_height) >
(si->ps.memory_size - mem_reservation))
{
target->virtual_height =
(si->ps.memory_size - mem_reservation) / row_bytes;
if (row_bytes * target->virtual_height > si->ps.memory_size - mem_reservation) {
target->virtual_height = (si->ps.memory_size - mem_reservation) / row_bytes;
}
if (target->virtual_height < target->timing.v_display)
{
if (target->virtual_height < target->timing.v_display) {
LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n"));
return B_ERROR;
}
LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n",
target->virtual_width, target->virtual_height));
if ((target->virtual_height < low->virtual_height) ||
(target->virtual_height > high->virtual_height))
{
if (target->virtual_height < low->virtual_height
|| target->virtual_height > high->virtual_height) {
status = B_BAD_VALUE;
LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n"));
}
@@ -423,8 +386,7 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL);
/* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */
switch (target->space)
{
switch (target->space) {
case B_CMAP8:
max_vclk = si->ps.max_dac2_clock_8;
bpp = 1;
@@ -451,78 +413,55 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
/* set DUALHEAD_CAPABLE if suitable */
//fixme: update for independant secondary head use! (reserve fixed memory then)
if (si->ps.secondary_head && (target->timing.pixel_clock <= (max_vclk * 1000)))
{
switch (target->flags & DUALHEAD_BITS)
{
case DUALHEAD_ON:
case DUALHEAD_SWITCH:
if (((si->ps.memory_size - mem_reservation) >=
(row_bytes * target->virtual_height)) &&
((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2)))
{
target->flags |= DUALHEAD_CAPABLE;
}
break;
case DUALHEAD_CLONE:
if ((si->ps.memory_size - mem_reservation) >=
(row_bytes * target->virtual_height))
{
target->flags |= DUALHEAD_CAPABLE;
}
break;
case DUALHEAD_OFF:
if ((si->ps.memory_size - mem_reservation) >=
(row_bytes * target->virtual_height * 2))
{
target->flags |= DUALHEAD_CAPABLE;
}
break;
if (si->ps.secondary_head && target->timing.pixel_clock <= (max_vclk * 1000)) {
switch (target->flags & DUALHEAD_BITS) {
case DUALHEAD_ON:
case DUALHEAD_SWITCH:
if (si->ps.memory_size - mem_reservation
>= row_bytes * target->virtual_height
&& (uint16)(row_bytes / bpp) >= target->timing.h_display * 2)
target->flags |= DUALHEAD_CAPABLE;
break;
case DUALHEAD_CLONE:
if (si->ps.memory_size - mem_reservation
>= row_bytes * target->virtual_height)
target->flags |= DUALHEAD_CAPABLE;
break;
case DUALHEAD_OFF:
if (si->ps.memory_size - mem_reservation
>= row_bytes * target->virtual_height * 2)
target->flags |= DUALHEAD_CAPABLE;
break;
}
}
/* if not dualhead capable card clear dualhead flags */
if (!(target->flags & DUALHEAD_CAPABLE))
{
target->flags &= ~DUALHEAD_BITS;
}
/* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */
if (si->ps.tvout && BT_check_tvmode(*target))
{
target->flags |= TV_CAPABLE;
}
/* if not TVout capable card clear TVout flags */
if (!(target->flags & TV_CAPABLE))
{
target->flags &= ~TV_BITS;
}
/* make sure TV head assignment is sane */
if (target->flags & TV_BITS)
{
if (target->flags & TV_BITS) {
if (!si->ps.secondary_head)
{
target->flags |= TV_PRIMARY;
}
else
{
if ((target->flags & DUALHEAD_BITS) == DUALHEAD_OFF)
target->flags |= TV_PRIMARY;
}
}
else
{
else if ((target->flags & DUALHEAD_BITS) == DUALHEAD_OFF)
target->flags |= TV_PRIMARY;
} else
target->flags &= ~TV_PRIMARY;
}
/* set HARDWARE_CURSOR mode if suitable */
if (si->settings.hardcursor)
target->flags |= B_HARDWARE_CURSOR;
/* set SUPPORTS_OVERLAYS if suitable */
if ((si->ps.card_type <= NV40) || (si->ps.card_type == NV45))
if (si->ps.card_type <= NV40 || si->ps.card_type == NV45)
target->flags |= B_SUPPORTS_OVERLAYS;
LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags));
@@ -532,23 +471,30 @@ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, con
target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN);
/* The HSYNC and VSYNC command flags are actually executed by the driver. */
if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n"));
else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n"));
if (status == B_OK)
LOG(4, ("PROPOSEMODE: completed successfully.\n"));
else
LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n"));
return status;
}
/* Return the number of modes this device will return from GET_MODE_LIST().
/*!
Return the number of modes this device will return from GET_MODE_LIST().
This is precalculated in create_mode_list (called from InitAccelerant stuff)
*/
uint32 ACCELERANT_MODE_COUNT(void)
uint32
ACCELERANT_MODE_COUNT(void)
{
LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count));
return si->mode_count;
}
/* Copy the list of guaranteed supported video modes to the location provided.*/
status_t GET_MODE_LIST(display_mode *dm)
/*! Copy the list of guaranteed supported video modes to the location provided.
*/
status_t
GET_MODE_LIST(display_mode *dm)
{
LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n"));
@@ -556,35 +502,33 @@ status_t GET_MODE_LIST(display_mode *dm)
return B_OK;
}
/* Create a list of display_modes to pass back to the caller.*/
status_t create_mode_list(void)
/*! Create a list of display_modes to pass back to the caller.
*/
status_t
create_mode_list(void)
{
size_t max_size;
uint32
i, j,
pix_clk_range;
const display_mode
*src;
display_mode
*dst,
low,
high;
color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8};
uint32 i, j, pix_clk_range;
const display_mode *src;
display_mode *dst, low, high;
color_space spaces[4] = {B_RGB32_LITTLE, B_RGB16_LITTLE, B_RGB15_LITTLE, B_CMAP8};
/* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */
max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1);
/* create an area to hold the info */
si->mode_area = my_mode_list_area =
create_area("NV accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (my_mode_list_area < B_OK) return my_mode_list_area;
si->mode_area = my_mode_list_area = create_area("NV accelerant mode info",
(void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK,
B_READ_AREA | B_WRITE_AREA);
if (my_mode_list_area < B_OK)
return my_mode_list_area;
/* walk through our predefined list and see which modes fit this device */
src = mode_list;
dst = my_mode_list;
si->mode_count = 0;
for (i = 0; i < MODE_COUNT; i++)
{
for (i = 0; i < MODE_COUNT; i++) {
/* set ranges for acceptable values */
low = high = *src;
/* range is 6.25% of default clock: arbitrarily picked */
@@ -597,8 +541,7 @@ status_t create_mode_list(void)
//So disable next line:
//high.virtual_width = 4096;
/* do it once for each depth we want to support */
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
{
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) {
/* set target values */
*dst = *src;
/* poke the specific space */