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path: root/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_crtc.c687
1 files changed, 197 insertions, 490 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 8086ecf7f03..7d06dc98a42 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -29,6 +29,171 @@
29#include "radeon_fixed.h" 29#include "radeon_fixed.h"
30#include "radeon.h" 30#include "radeon.h"
31 31
32static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc,
33 struct drm_display_mode *mode,
34 struct drm_display_mode *adjusted_mode)
35{
36 struct drm_device *dev = crtc->dev;
37 struct radeon_device *rdev = dev->dev_private;
38 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
39 int xres = mode->hdisplay;
40 int yres = mode->vdisplay;
41 bool hscale = true, vscale = true;
42 int hsync_wid;
43 int vsync_wid;
44 int hsync_start;
45 int blank_width;
46 u32 scale, inc, crtc_more_cntl;
47 u32 fp_horz_stretch, fp_vert_stretch, fp_horz_vert_active;
48 u32 fp_h_sync_strt_wid, fp_crtc_h_total_disp;
49 u32 fp_v_sync_strt_wid, fp_crtc_v_total_disp;
50 struct radeon_native_mode *native_mode = &radeon_crtc->native_mode;
51
52 fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH) &
53 (RADEON_VERT_STRETCH_RESERVED |
54 RADEON_VERT_AUTO_RATIO_INC);
55 fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH) &
56 (RADEON_HORZ_FP_LOOP_STRETCH |
57 RADEON_HORZ_AUTO_RATIO_INC);
58
59 crtc_more_cntl = 0;
60 if ((rdev->family == CHIP_RS100) ||
61 (rdev->family == CHIP_RS200)) {
62 /* This is to workaround the asic bug for RMX, some versions
63 of BIOS dosen't have this register initialized correctly. */
64 crtc_more_cntl |= RADEON_CRTC_H_CUTOFF_ACTIVE_EN;
65 }
66
67
68 fp_crtc_h_total_disp = ((((mode->crtc_htotal / 8) - 1) & 0x3ff)
69 | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16));
70
71 hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8;
72 if (!hsync_wid)
73 hsync_wid = 1;
74 hsync_start = mode->crtc_hsync_start - 8;
75
76 fp_h_sync_strt_wid = ((hsync_start & 0x1fff)
77 | ((hsync_wid & 0x3f) << 16)
78 | ((mode->flags & DRM_MODE_FLAG_NHSYNC)
79 ? RADEON_CRTC_H_SYNC_POL
80 : 0));
81
82 fp_crtc_v_total_disp = (((mode->crtc_vtotal - 1) & 0xffff)
83 | ((mode->crtc_vdisplay - 1) << 16));
84
85 vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start;
86 if (!vsync_wid)
87 vsync_wid = 1;
88
89 fp_v_sync_strt_wid = (((mode->crtc_vsync_start - 1) & 0xfff)
90 | ((vsync_wid & 0x1f) << 16)
91 | ((mode->flags & DRM_MODE_FLAG_NVSYNC)
92 ? RADEON_CRTC_V_SYNC_POL
93 : 0));
94
95 fp_horz_vert_active = 0;
96
97 if (native_mode->panel_xres == 0 ||
98 native_mode->panel_yres == 0) {
99 hscale = false;
100 vscale = false;
101 } else {
102 if (xres > native_mode->panel_xres)
103 xres = native_mode->panel_xres;
104 if (yres > native_mode->panel_yres)
105 yres = native_mode->panel_yres;
106
107 if (xres == native_mode->panel_xres)
108 hscale = false;
109 if (yres == native_mode->panel_yres)
110 vscale = false;
111 }
112
113 switch (radeon_crtc->rmx_type) {
114 case RMX_FULL:
115 case RMX_ASPECT:
116 if (!hscale)
117 fp_horz_stretch |= ((xres/8-1) << 16);
118 else {
119 inc = (fp_horz_stretch & RADEON_HORZ_AUTO_RATIO_INC) ? 1 : 0;
120 scale = ((xres + inc) * RADEON_HORZ_STRETCH_RATIO_MAX)
121 / native_mode->panel_xres + 1;
122 fp_horz_stretch |= (((scale) & RADEON_HORZ_STRETCH_RATIO_MASK) |
123 RADEON_HORZ_STRETCH_BLEND |
124 RADEON_HORZ_STRETCH_ENABLE |
125 ((native_mode->panel_xres/8-1) << 16));
126 }
127
128 if (!vscale)
129 fp_vert_stretch |= ((yres-1) << 12);
130 else {
131 inc = (fp_vert_stretch & RADEON_VERT_AUTO_RATIO_INC) ? 1 : 0;
132 scale = ((yres + inc) * RADEON_VERT_STRETCH_RATIO_MAX)
133 / native_mode->panel_yres + 1;
134 fp_vert_stretch |= (((scale) & RADEON_VERT_STRETCH_RATIO_MASK) |
135 RADEON_VERT_STRETCH_ENABLE |
136 RADEON_VERT_STRETCH_BLEND |
137 ((native_mode->panel_yres-1) << 12));
138 }
139 break;
140 case RMX_CENTER:
141 fp_horz_stretch |= ((xres/8-1) << 16);
142 fp_vert_stretch |= ((yres-1) << 12);
143
144 crtc_more_cntl |= (RADEON_CRTC_AUTO_HORZ_CENTER_EN |
145 RADEON_CRTC_AUTO_VERT_CENTER_EN);
146
147 blank_width = (mode->crtc_hblank_end - mode->crtc_hblank_start) / 8;
148 if (blank_width > 110)
149 blank_width = 110;
150
151 fp_crtc_h_total_disp = (((blank_width) & 0x3ff)
152 | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16));
153
154 hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8;
155 if (!hsync_wid)
156 hsync_wid = 1;
157
158 fp_h_sync_strt_wid = ((((mode->crtc_hsync_start - mode->crtc_hblank_start) / 8) & 0x1fff)
159 | ((hsync_wid & 0x3f) << 16)
160 | ((mode->flags & DRM_MODE_FLAG_NHSYNC)
161 ? RADEON_CRTC_H_SYNC_POL
162 : 0));
163
164 fp_crtc_v_total_disp = (((mode->crtc_vblank_end - mode->crtc_vblank_start) & 0xffff)
165 | ((mode->crtc_vdisplay - 1) << 16));
166
167 vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start;
168 if (!vsync_wid)
169 vsync_wid = 1;
170
171 fp_v_sync_strt_wid = ((((mode->crtc_vsync_start - mode->crtc_vblank_start) & 0xfff)
172 | ((vsync_wid & 0x1f) << 16)
173 | ((mode->flags & DRM_MODE_FLAG_NVSYNC)
174 ? RADEON_CRTC_V_SYNC_POL
175 : 0)));
176
177 fp_horz_vert_active = (((native_mode->panel_yres) & 0xfff) |
178 (((native_mode->panel_xres / 8) & 0x1ff) << 16));
179 break;
180 case RMX_OFF:
181 default:
182 fp_horz_stretch |= ((xres/8-1) << 16);
183 fp_vert_stretch |= ((yres-1) << 12);
184 break;
185 }
186
187 WREG32(RADEON_FP_HORZ_STRETCH, fp_horz_stretch);
188 WREG32(RADEON_FP_VERT_STRETCH, fp_vert_stretch);
189 WREG32(RADEON_CRTC_MORE_CNTL, crtc_more_cntl);
190 WREG32(RADEON_FP_HORZ_VERT_ACTIVE, fp_horz_vert_active);
191 WREG32(RADEON_FP_H_SYNC_STRT_WID, fp_h_sync_strt_wid);
192 WREG32(RADEON_FP_V_SYNC_STRT_WID, fp_v_sync_strt_wid);
193 WREG32(RADEON_FP_CRTC_H_TOTAL_DISP, fp_crtc_h_total_disp);
194 WREG32(RADEON_FP_CRTC_V_TOTAL_DISP, fp_crtc_v_total_disp);
195}
196
32void radeon_restore_common_regs(struct drm_device *dev) 197void radeon_restore_common_regs(struct drm_device *dev)
33{ 198{
34 /* don't need this yet */ 199 /* don't need this yet */
@@ -235,6 +400,7 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
235 uint64_t base; 400 uint64_t base;
236 uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0; 401 uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0;
237 uint32_t crtc_pitch, pitch_pixels; 402 uint32_t crtc_pitch, pitch_pixels;
403 uint32_t tiling_flags;
238 404
239 DRM_DEBUG("\n"); 405 DRM_DEBUG("\n");
240 406
@@ -244,7 +410,12 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
244 if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &base)) { 410 if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &base)) {
245 return -EINVAL; 411 return -EINVAL;
246 } 412 }
247 crtc_offset = (u32)base; 413 /* if scanout was in GTT this really wouldn't work */
414 /* crtc offset is from display base addr not FB location */
415 radeon_crtc->legacy_display_base_addr = rdev->mc.vram_location;
416
417 base -= radeon_crtc->legacy_display_base_addr;
418
248 crtc_offset_cntl = 0; 419 crtc_offset_cntl = 0;
249 420
250 pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8); 421 pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
@@ -253,8 +424,12 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
253 (crtc->fb->bits_per_pixel * 8)); 424 (crtc->fb->bits_per_pixel * 8));
254 crtc_pitch |= crtc_pitch << 16; 425 crtc_pitch |= crtc_pitch << 16;
255 426
256 /* TODO tiling */ 427 radeon_object_get_tiling_flags(obj->driver_private,
257 if (0) { 428 &tiling_flags, NULL);
429 if (tiling_flags & RADEON_TILING_MICRO)
430 DRM_ERROR("trying to scanout microtiled buffer\n");
431
432 if (tiling_flags & RADEON_TILING_MACRO) {
258 if (ASIC_IS_R300(rdev)) 433 if (ASIC_IS_R300(rdev))
259 crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN | 434 crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN |
260 R300_CRTC_MICRO_TILE_BUFFER_DIS | 435 R300_CRTC_MICRO_TILE_BUFFER_DIS |
@@ -270,15 +445,13 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
270 crtc_offset_cntl &= ~RADEON_CRTC_TILE_EN; 445 crtc_offset_cntl &= ~RADEON_CRTC_TILE_EN;
271 } 446 }
272 447
273 448 if (tiling_flags & RADEON_TILING_MACRO) {
274 /* TODO more tiling */
275 if (0) {
276 if (ASIC_IS_R300(rdev)) { 449 if (ASIC_IS_R300(rdev)) {
277 crtc_tile_x0_y0 = x | (y << 16); 450 crtc_tile_x0_y0 = x | (y << 16);
278 base &= ~0x7ff; 451 base &= ~0x7ff;
279 } else { 452 } else {
280 int byteshift = crtc->fb->bits_per_pixel >> 4; 453 int byteshift = crtc->fb->bits_per_pixel >> 4;
281 int tile_addr = (((y >> 3) * crtc->fb->width + x) >> (8 - byteshift)) << 11; 454 int tile_addr = (((y >> 3) * pitch_pixels + x) >> (8 - byteshift)) << 11;
282 base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8); 455 base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8);
283 crtc_offset_cntl |= (y % 16); 456 crtc_offset_cntl |= (y % 16);
284 } 457 }
@@ -303,11 +476,9 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
303 476
304 base &= ~7; 477 base &= ~7;
305 478
306 /* update sarea TODO */
307
308 crtc_offset = (u32)base; 479 crtc_offset = (u32)base;
309 480
310 WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, rdev->mc.vram_location); 481 WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr);
311 482
312 if (ASIC_IS_R300(rdev)) { 483 if (ASIC_IS_R300(rdev)) {
313 if (radeon_crtc->crtc_id) 484 if (radeon_crtc->crtc_id)
@@ -751,6 +922,8 @@ static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
751 struct drm_display_mode *mode, 922 struct drm_display_mode *mode,
752 struct drm_display_mode *adjusted_mode) 923 struct drm_display_mode *adjusted_mode)
753{ 924{
925 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
926 return false;
754 return true; 927 return true;
755} 928}
756 929
@@ -759,16 +932,25 @@ static int radeon_crtc_mode_set(struct drm_crtc *crtc,
759 struct drm_display_mode *adjusted_mode, 932 struct drm_display_mode *adjusted_mode,
760 int x, int y, struct drm_framebuffer *old_fb) 933 int x, int y, struct drm_framebuffer *old_fb)
761{ 934{
762 935 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
763 DRM_DEBUG("\n"); 936 struct drm_device *dev = crtc->dev;
937 struct radeon_device *rdev = dev->dev_private;
764 938
765 /* TODO TV */ 939 /* TODO TV */
766
767 radeon_crtc_set_base(crtc, x, y, old_fb); 940 radeon_crtc_set_base(crtc, x, y, old_fb);
768 radeon_set_crtc_timing(crtc, adjusted_mode); 941 radeon_set_crtc_timing(crtc, adjusted_mode);
769 radeon_set_pll(crtc, adjusted_mode); 942 radeon_set_pll(crtc, adjusted_mode);
770 radeon_init_disp_bandwidth(crtc->dev); 943 radeon_bandwidth_update(rdev);
771 944 if (radeon_crtc->crtc_id == 0) {
945 radeon_legacy_rmx_mode_set(crtc, mode, adjusted_mode);
946 } else {
947 if (radeon_crtc->rmx_type != RMX_OFF) {
948 /* FIXME: only first crtc has rmx what should we
949 * do ?
950 */
951 DRM_ERROR("Mode need scaling but only first crtc can do that.\n");
952 }
953 }
772 return 0; 954 return 0;
773} 955}
774 956
@@ -799,478 +981,3 @@ void radeon_legacy_init_crtc(struct drm_device *dev,
799 radeon_crtc->crtc_offset = RADEON_CRTC2_H_TOTAL_DISP - RADEON_CRTC_H_TOTAL_DISP; 981 radeon_crtc->crtc_offset = RADEON_CRTC2_H_TOTAL_DISP - RADEON_CRTC_H_TOTAL_DISP;
800 drm_crtc_helper_add(&radeon_crtc->base, &legacy_helper_funcs); 982 drm_crtc_helper_add(&radeon_crtc->base, &legacy_helper_funcs);
801} 983}
802
803void radeon_init_disp_bw_legacy(struct drm_device *dev,
804 struct drm_display_mode *mode1,
805 uint32_t pixel_bytes1,
806 struct drm_display_mode *mode2,
807 uint32_t pixel_bytes2)
808{
809 struct radeon_device *rdev = dev->dev_private;
810 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
811 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
812 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
813 uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
814 fixed20_12 memtcas_ff[8] = {
815 fixed_init(1),
816 fixed_init(2),
817 fixed_init(3),
818 fixed_init(0),
819 fixed_init_half(1),
820 fixed_init_half(2),
821 fixed_init(0),
822 };
823 fixed20_12 memtcas_rs480_ff[8] = {
824 fixed_init(0),
825 fixed_init(1),
826 fixed_init(2),
827 fixed_init(3),
828 fixed_init(0),
829 fixed_init_half(1),
830 fixed_init_half(2),
831 fixed_init_half(3),
832 };
833 fixed20_12 memtcas2_ff[8] = {
834 fixed_init(0),
835 fixed_init(1),
836 fixed_init(2),
837 fixed_init(3),
838 fixed_init(4),
839 fixed_init(5),
840 fixed_init(6),
841 fixed_init(7),
842 };
843 fixed20_12 memtrbs[8] = {
844 fixed_init(1),
845 fixed_init_half(1),
846 fixed_init(2),
847 fixed_init_half(2),
848 fixed_init(3),
849 fixed_init_half(3),
850 fixed_init(4),
851 fixed_init_half(4)
852 };
853 fixed20_12 memtrbs_r4xx[8] = {
854 fixed_init(4),
855 fixed_init(5),
856 fixed_init(6),
857 fixed_init(7),
858 fixed_init(8),
859 fixed_init(9),
860 fixed_init(10),
861 fixed_init(11)
862 };
863 fixed20_12 min_mem_eff;
864 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
865 fixed20_12 cur_latency_mclk, cur_latency_sclk;
866 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
867 disp_drain_rate2, read_return_rate;
868 fixed20_12 time_disp1_drop_priority;
869 int c;
870 int cur_size = 16; /* in octawords */
871 int critical_point = 0, critical_point2;
872/* uint32_t read_return_rate, time_disp1_drop_priority; */
873 int stop_req, max_stop_req;
874
875 min_mem_eff.full = rfixed_const_8(0);
876 /* get modes */
877 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
878 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
879 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
880 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
881 /* check crtc enables */
882 if (mode2)
883 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
884 if (mode1)
885 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
886 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
887 }
888
889 /*
890 * determine is there is enough bw for current mode
891 */
892 mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
893 temp_ff.full = rfixed_const(100);
894 mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
895 sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
896 sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
897
898 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
899 temp_ff.full = rfixed_const(temp);
900 mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
901
902 pix_clk.full = 0;
903 pix_clk2.full = 0;
904 peak_disp_bw.full = 0;
905 if (mode1) {
906 temp_ff.full = rfixed_const(1000);
907 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
908 pix_clk.full = rfixed_div(pix_clk, temp_ff);
909 temp_ff.full = rfixed_const(pixel_bytes1);
910 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
911 }
912 if (mode2) {
913 temp_ff.full = rfixed_const(1000);
914 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
915 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
916 temp_ff.full = rfixed_const(pixel_bytes2);
917 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
918 }
919
920 mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
921 if (peak_disp_bw.full >= mem_bw.full) {
922 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
923 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
924 }
925
926 /* Get values from the EXT_MEM_CNTL register...converting its contents. */
927 temp = RREG32(RADEON_MEM_TIMING_CNTL);
928 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
929 mem_trcd = ((temp >> 2) & 0x3) + 1;
930 mem_trp = ((temp & 0x3)) + 1;
931 mem_tras = ((temp & 0x70) >> 4) + 1;
932 } else if (rdev->family == CHIP_R300 ||
933 rdev->family == CHIP_R350) { /* r300, r350 */
934 mem_trcd = (temp & 0x7) + 1;
935 mem_trp = ((temp >> 8) & 0x7) + 1;
936 mem_tras = ((temp >> 11) & 0xf) + 4;
937 } else if (rdev->family == CHIP_RV350 ||
938 rdev->family <= CHIP_RV380) {
939 /* rv3x0 */
940 mem_trcd = (temp & 0x7) + 3;
941 mem_trp = ((temp >> 8) & 0x7) + 3;
942 mem_tras = ((temp >> 11) & 0xf) + 6;
943 } else if (rdev->family == CHIP_R420 ||
944 rdev->family == CHIP_R423 ||
945 rdev->family == CHIP_RV410) {
946 /* r4xx */
947 mem_trcd = (temp & 0xf) + 3;
948 if (mem_trcd > 15)
949 mem_trcd = 15;
950 mem_trp = ((temp >> 8) & 0xf) + 3;
951 if (mem_trp > 15)
952 mem_trp = 15;
953 mem_tras = ((temp >> 12) & 0x1f) + 6;
954 if (mem_tras > 31)
955 mem_tras = 31;
956 } else { /* RV200, R200 */
957 mem_trcd = (temp & 0x7) + 1;
958 mem_trp = ((temp >> 8) & 0x7) + 1;
959 mem_tras = ((temp >> 12) & 0xf) + 4;
960 }
961 /* convert to FF */
962 trcd_ff.full = rfixed_const(mem_trcd);
963 trp_ff.full = rfixed_const(mem_trp);
964 tras_ff.full = rfixed_const(mem_tras);
965
966 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
967 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
968 data = (temp & (7 << 20)) >> 20;
969 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
970 if (rdev->family == CHIP_RS480) /* don't think rs400 */
971 tcas_ff = memtcas_rs480_ff[data];
972 else
973 tcas_ff = memtcas_ff[data];
974 } else
975 tcas_ff = memtcas2_ff[data];
976
977 if (rdev->family == CHIP_RS400 ||
978 rdev->family == CHIP_RS480) {
979 /* extra cas latency stored in bits 23-25 0-4 clocks */
980 data = (temp >> 23) & 0x7;
981 if (data < 5)
982 tcas_ff.full += rfixed_const(data);
983 }
984
985 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
986 /* on the R300, Tcas is included in Trbs.
987 */
988 temp = RREG32(RADEON_MEM_CNTL);
989 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
990 if (data == 1) {
991 if (R300_MEM_USE_CD_CH_ONLY & temp) {
992 temp = RREG32(R300_MC_IND_INDEX);
993 temp &= ~R300_MC_IND_ADDR_MASK;
994 temp |= R300_MC_READ_CNTL_CD_mcind;
995 WREG32(R300_MC_IND_INDEX, temp);
996 temp = RREG32(R300_MC_IND_DATA);
997 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
998 } else {
999 temp = RREG32(R300_MC_READ_CNTL_AB);
1000 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
1001 }
1002 } else {
1003 temp = RREG32(R300_MC_READ_CNTL_AB);
1004 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
1005 }
1006 if (rdev->family == CHIP_RV410 ||
1007 rdev->family == CHIP_R420 ||
1008 rdev->family == CHIP_R423)
1009 trbs_ff = memtrbs_r4xx[data];
1010 else
1011 trbs_ff = memtrbs[data];
1012 tcas_ff.full += trbs_ff.full;
1013 }
1014
1015 sclk_eff_ff.full = sclk_ff.full;
1016
1017 if (rdev->flags & RADEON_IS_AGP) {
1018 fixed20_12 agpmode_ff;
1019 agpmode_ff.full = rfixed_const(radeon_agpmode);
1020 temp_ff.full = rfixed_const_666(16);
1021 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
1022 }
1023 /* TODO PCIE lanes may affect this - agpmode == 16?? */
1024
1025 if (ASIC_IS_R300(rdev)) {
1026 sclk_delay_ff.full = rfixed_const(250);
1027 } else {
1028 if ((rdev->family == CHIP_RV100) ||
1029 rdev->flags & RADEON_IS_IGP) {
1030 if (rdev->mc.vram_is_ddr)
1031 sclk_delay_ff.full = rfixed_const(41);
1032 else
1033 sclk_delay_ff.full = rfixed_const(33);
1034 } else {
1035 if (rdev->mc.vram_width == 128)
1036 sclk_delay_ff.full = rfixed_const(57);
1037 else
1038 sclk_delay_ff.full = rfixed_const(41);
1039 }
1040 }
1041
1042 mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
1043
1044 if (rdev->mc.vram_is_ddr) {
1045 if (rdev->mc.vram_width == 32) {
1046 k1.full = rfixed_const(40);
1047 c = 3;
1048 } else {
1049 k1.full = rfixed_const(20);
1050 c = 1;
1051 }
1052 } else {
1053 k1.full = rfixed_const(40);
1054 c = 3;
1055 }
1056
1057 temp_ff.full = rfixed_const(2);
1058 mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
1059 temp_ff.full = rfixed_const(c);
1060 mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
1061 temp_ff.full = rfixed_const(4);
1062 mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
1063 mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
1064 mc_latency_mclk.full += k1.full;
1065
1066 mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
1067 mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
1068
1069 /*
1070 HW cursor time assuming worst case of full size colour cursor.
1071 */
1072 temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
1073 temp_ff.full += trcd_ff.full;
1074 if (temp_ff.full < tras_ff.full)
1075 temp_ff.full = tras_ff.full;
1076 cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
1077
1078 temp_ff.full = rfixed_const(cur_size);
1079 cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
1080 /*
1081 Find the total latency for the display data.
1082 */
1083 disp_latency_overhead.full = rfixed_const(80);
1084 disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
1085 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
1086 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
1087
1088 if (mc_latency_mclk.full > mc_latency_sclk.full)
1089 disp_latency.full = mc_latency_mclk.full;
1090 else
1091 disp_latency.full = mc_latency_sclk.full;
1092
1093 /* setup Max GRPH_STOP_REQ default value */
1094 if (ASIC_IS_RV100(rdev))
1095 max_stop_req = 0x5c;
1096 else
1097 max_stop_req = 0x7c;
1098
1099 if (mode1) {
1100 /* CRTC1
1101 Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
1102 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
1103 */
1104 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
1105
1106 if (stop_req > max_stop_req)
1107 stop_req = max_stop_req;
1108
1109 /*
1110 Find the drain rate of the display buffer.
1111 */
1112 temp_ff.full = rfixed_const((16/pixel_bytes1));
1113 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
1114
1115 /*
1116 Find the critical point of the display buffer.
1117 */
1118 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
1119 crit_point_ff.full += rfixed_const_half(0);
1120
1121 critical_point = rfixed_trunc(crit_point_ff);
1122
1123 if (rdev->disp_priority == 2) {
1124 critical_point = 0;
1125 }
1126
1127 /*
1128 The critical point should never be above max_stop_req-4. Setting
1129 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
1130 */
1131 if (max_stop_req - critical_point < 4)
1132 critical_point = 0;
1133
1134 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
1135 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
1136 critical_point = 0x10;
1137 }
1138
1139 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
1140 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
1141 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
1142 temp &= ~(RADEON_GRPH_START_REQ_MASK);
1143 if ((rdev->family == CHIP_R350) &&
1144 (stop_req > 0x15)) {
1145 stop_req -= 0x10;
1146 }
1147 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
1148 temp |= RADEON_GRPH_BUFFER_SIZE;
1149 temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
1150 RADEON_GRPH_CRITICAL_AT_SOF |
1151 RADEON_GRPH_STOP_CNTL);
1152 /*
1153 Write the result into the register.
1154 */
1155 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
1156 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
1157
1158#if 0
1159 if ((rdev->family == CHIP_RS400) ||
1160 (rdev->family == CHIP_RS480)) {
1161 /* attempt to program RS400 disp regs correctly ??? */
1162 temp = RREG32(RS400_DISP1_REG_CNTL);
1163 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
1164 RS400_DISP1_STOP_REQ_LEVEL_MASK);
1165 WREG32(RS400_DISP1_REQ_CNTL1, (temp |
1166 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
1167 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
1168 temp = RREG32(RS400_DMIF_MEM_CNTL1);
1169 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
1170 RS400_DISP1_CRITICAL_POINT_STOP_MASK);
1171 WREG32(RS400_DMIF_MEM_CNTL1, (temp |
1172 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
1173 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
1174 }
1175#endif
1176
1177 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
1178 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
1179 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
1180 }
1181
1182 if (mode2) {
1183 u32 grph2_cntl;
1184 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
1185
1186 if (stop_req > max_stop_req)
1187 stop_req = max_stop_req;
1188
1189 /*
1190 Find the drain rate of the display buffer.
1191 */
1192 temp_ff.full = rfixed_const((16/pixel_bytes2));
1193 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
1194
1195 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
1196 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
1197 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
1198 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
1199 if ((rdev->family == CHIP_R350) &&
1200 (stop_req > 0x15)) {
1201 stop_req -= 0x10;
1202 }
1203 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
1204 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
1205 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
1206 RADEON_GRPH_CRITICAL_AT_SOF |
1207 RADEON_GRPH_STOP_CNTL);
1208
1209 if ((rdev->family == CHIP_RS100) ||
1210 (rdev->family == CHIP_RS200))
1211 critical_point2 = 0;
1212 else {
1213 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
1214 temp_ff.full = rfixed_const(temp);
1215 temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
1216 if (sclk_ff.full < temp_ff.full)
1217 temp_ff.full = sclk_ff.full;
1218
1219 read_return_rate.full = temp_ff.full;
1220
1221 if (mode1) {
1222 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
1223 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
1224 } else {
1225 time_disp1_drop_priority.full = 0;
1226 }
1227 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
1228 crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
1229 crit_point_ff.full += rfixed_const_half(0);
1230
1231 critical_point2 = rfixed_trunc(crit_point_ff);
1232
1233 if (rdev->disp_priority == 2) {
1234 critical_point2 = 0;
1235 }
1236
1237 if (max_stop_req - critical_point2 < 4)
1238 critical_point2 = 0;
1239
1240 }
1241
1242 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
1243 /* some R300 cards have problem with this set to 0 */
1244 critical_point2 = 0x10;
1245 }
1246
1247 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
1248 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
1249
1250 if ((rdev->family == CHIP_RS400) ||
1251 (rdev->family == CHIP_RS480)) {
1252#if 0
1253 /* attempt to program RS400 disp2 regs correctly ??? */
1254 temp = RREG32(RS400_DISP2_REQ_CNTL1);
1255 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
1256 RS400_DISP2_STOP_REQ_LEVEL_MASK);
1257 WREG32(RS400_DISP2_REQ_CNTL1, (temp |
1258 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
1259 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
1260 temp = RREG32(RS400_DISP2_REQ_CNTL2);
1261 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
1262 RS400_DISP2_CRITICAL_POINT_STOP_MASK);
1263 WREG32(RS400_DISP2_REQ_CNTL2, (temp |
1264 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
1265 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
1266#endif
1267 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
1268 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
1269 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
1270 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
1271 }
1272
1273 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
1274 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
1275 }
1276}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-20 23:56:15 -0400