fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
fixed20_12 memtcas_ff[8] = {
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(0),
- fixed_init_half(1),
- fixed_init_half(2),
- fixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init(0),
};
fixed20_12 memtcas_rs480_ff[8] = {
- fixed_init(0),
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(0),
- fixed_init_half(1),
- fixed_init_half(2),
- fixed_init_half(3),
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init_half(3),
};
fixed20_12 memtcas2_ff[8] = {
- fixed_init(0),
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(4),
- fixed_init(5),
- fixed_init(6),
- fixed_init(7),
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
};
fixed20_12 memtrbs[8] = {
- fixed_init(1),
- fixed_init_half(1),
- fixed_init(2),
- fixed_init_half(2),
- fixed_init(3),
- fixed_init_half(3),
- fixed_init(4),
- fixed_init_half(4)
+ dfixed_init(1),
+ dfixed_init_half(1),
+ dfixed_init(2),
+ dfixed_init_half(2),
+ dfixed_init(3),
+ dfixed_init_half(3),
+ dfixed_init(4),
+ dfixed_init_half(4)
};
fixed20_12 memtrbs_r4xx[8] = {
- fixed_init(4),
- fixed_init(5),
- fixed_init(6),
- fixed_init(7),
- fixed_init(8),
- fixed_init(9),
- fixed_init(10),
- fixed_init(11)
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
+ dfixed_init(8),
+ dfixed_init(9),
+ dfixed_init(10),
+ dfixed_init(11)
};
fixed20_12 min_mem_eff;
fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
}
}
- min_mem_eff.full = rfixed_const_8(0);
+ min_mem_eff.full = dfixed_const_8(0);
/* get modes */
if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
mclk_ff = rdev->pm.mclk;
temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
- temp_ff.full = rfixed_const(temp);
- mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
+ temp_ff.full = dfixed_const(temp);
+ mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
pix_clk.full = 0;
pix_clk2.full = 0;
peak_disp_bw.full = 0;
if (mode1) {
- temp_ff.full = rfixed_const(1000);
- pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
- pix_clk.full = rfixed_div(pix_clk, temp_ff);
- temp_ff.full = rfixed_const(pixel_bytes1);
- peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const(1000);
+ pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
+ pix_clk.full = dfixed_div(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes1);
+ peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
}
if (mode2) {
- temp_ff.full = rfixed_const(1000);
- pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
- pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
- temp_ff.full = rfixed_const(pixel_bytes2);
- peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const(1000);
+ pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
+ pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes2);
+ peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
}
- mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
+ mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
if (peak_disp_bw.full >= mem_bw.full) {
DRM_ERROR("You may not have enough display bandwidth for current mode\n"
"If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
mem_tras = ((temp >> 12) & 0xf) + 4;
}
/* convert to FF */
- trcd_ff.full = rfixed_const(mem_trcd);
- trp_ff.full = rfixed_const(mem_trp);
- tras_ff.full = rfixed_const(mem_tras);
+ trcd_ff.full = dfixed_const(mem_trcd);
+ trp_ff.full = dfixed_const(mem_trp);
+ tras_ff.full = dfixed_const(mem_tras);
/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
/* extra cas latency stored in bits 23-25 0-4 clocks */
data = (temp >> 23) & 0x7;
if (data < 5)
- tcas_ff.full += rfixed_const(data);
+ tcas_ff.full += dfixed_const(data);
}
if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
if (rdev->flags & RADEON_IS_AGP) {
fixed20_12 agpmode_ff;
- agpmode_ff.full = rfixed_const(radeon_agpmode);
- temp_ff.full = rfixed_const_666(16);
- sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
+ agpmode_ff.full = dfixed_const(radeon_agpmode);
+ temp_ff.full = dfixed_const_666(16);
+ sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
}
/* TODO PCIE lanes may affect this - agpmode == 16?? */
if (ASIC_IS_R300(rdev)) {
- sclk_delay_ff.full = rfixed_const(250);
+ sclk_delay_ff.full = dfixed_const(250);
} else {
if ((rdev->family == CHIP_RV100) ||
rdev->flags & RADEON_IS_IGP) {
if (rdev->mc.vram_is_ddr)
- sclk_delay_ff.full = rfixed_const(41);
+ sclk_delay_ff.full = dfixed_const(41);
else
- sclk_delay_ff.full = rfixed_const(33);
+ sclk_delay_ff.full = dfixed_const(33);
} else {
if (rdev->mc.vram_width == 128)
- sclk_delay_ff.full = rfixed_const(57);
+ sclk_delay_ff.full = dfixed_const(57);
else
- sclk_delay_ff.full = rfixed_const(41);
+ sclk_delay_ff.full = dfixed_const(41);
}
}
- mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
+ mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
if (rdev->mc.vram_is_ddr) {
if (rdev->mc.vram_width == 32) {
- k1.full = rfixed_const(40);
+ k1.full = dfixed_const(40);
c = 3;
} else {
- k1.full = rfixed_const(20);
+ k1.full = dfixed_const(20);
c = 1;
}
} else {
- k1.full = rfixed_const(40);
+ k1.full = dfixed_const(40);
c = 3;
}
- temp_ff.full = rfixed_const(2);
- mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
- temp_ff.full = rfixed_const(c);
- mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
- temp_ff.full = rfixed_const(4);
- mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
- mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
+ temp_ff.full = dfixed_const(2);
+ mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
+ temp_ff.full = dfixed_const(c);
+ mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
+ temp_ff.full = dfixed_const(4);
+ mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
+ mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
mc_latency_mclk.full += k1.full;
- mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
- mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
+ mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
+ mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
/*
HW cursor time assuming worst case of full size colour cursor.
*/
- temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
+ temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
temp_ff.full += trcd_ff.full;
if (temp_ff.full < tras_ff.full)
temp_ff.full = tras_ff.full;
- cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
+ cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
- temp_ff.full = rfixed_const(cur_size);
- cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
+ temp_ff.full = dfixed_const(cur_size);
+ cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
/*
Find the total latency for the display data.
*/
- disp_latency_overhead.full = rfixed_const(8);
- disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
+ disp_latency_overhead.full = dfixed_const(8);
+ disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
/*
Find the drain rate of the display buffer.
*/
- temp_ff.full = rfixed_const((16/pixel_bytes1));
- disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const((16/pixel_bytes1));
+ disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
/*
Find the critical point of the display buffer.
*/
- crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
- crit_point_ff.full += rfixed_const_half(0);
+ crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
+ crit_point_ff.full += dfixed_const_half(0);
- critical_point = rfixed_trunc(crit_point_ff);
+ critical_point = dfixed_trunc(crit_point_ff);
if (rdev->disp_priority == 2) {
critical_point = 0;
/*
Find the drain rate of the display buffer.
*/
- temp_ff.full = rfixed_const((16/pixel_bytes2));
- disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const((16/pixel_bytes2));
+ disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
critical_point2 = 0;
else {
temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
- temp_ff.full = rfixed_const(temp);
- temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
+ temp_ff.full = dfixed_const(temp);
+ temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
if (sclk_ff.full < temp_ff.full)
temp_ff.full = sclk_ff.full;
if (mode1) {
temp_ff.full = read_return_rate.full - disp_drain_rate.full;
- time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
+ time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
} else {
time_disp1_drop_priority.full = 0;
}
crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
- crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
- crit_point_ff.full += rfixed_const_half(0);
+ crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
+ crit_point_ff.full += dfixed_const_half(0);
- critical_point2 = rfixed_trunc(crit_point_ff);
+ critical_point2 = dfixed_trunc(crit_point_ff);
if (rdev->disp_priority == 2) {
critical_point2 = 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff