/* * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and * VA Linux Systems Inc., Fremont, California. * * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation on the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include /* X and server generic header files */ #include "xf86.h" #include "xf86_OSproc.h" #include "vgaHW.h" #include "xf86Modes.h" /* Driver data structures */ #include "radeon.h" #include "radeon_reg.h" #include "radeon_macros.h" #include "radeon_probe.h" #include "radeon_version.h" #ifdef XF86DRI #define _XF86DRI_SERVER_ #include "radeon_dri.h" #include "radeon_sarea.h" #include "sarea.h" #endif extern void atombios_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode, int x, int y); extern void legacy_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode, int x, int y); extern void atombios_crtc_dpms(xf86CrtcPtr crtc, int mode); extern void legacy_crtc_dpms(xf86CrtcPtr crtc, int mode); static void radeon_crtc_dpms(xf86CrtcPtr crtc, int mode) { RADEONInfoPtr info = RADEONPTR(crtc->scrn); RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn); RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; xf86CrtcPtr crtc0 = pRADEONEnt->pCrtc[0]; if (IS_AVIVO_VARIANT) { atombios_crtc_dpms(crtc, mode); } else { /* need to restore crtc1 before crtc0 or we may get a blank screen * in some cases */ if ((radeon_crtc->crtc_id == 1) && (mode == DPMSModeOn)) { if (crtc0->enabled) legacy_crtc_dpms(crtc0, DPMSModeOff); } legacy_crtc_dpms(crtc, mode); if ((radeon_crtc->crtc_id == 1) && (mode == DPMSModeOn)) { if (crtc0->enabled) legacy_crtc_dpms(crtc0, mode); } } } static Bool radeon_crtc_mode_fixup(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode) { return TRUE; } static void radeon_crtc_mode_prepare(xf86CrtcPtr crtc) { radeon_crtc_dpms(crtc, DPMSModeOff); } static CARD32 RADEONDiv(CARD64 n, CARD32 d) { return (n + (d / 2)) / d; } void RADEONComputePLL(RADEONPLLPtr pll, unsigned long freq, CARD32 *chosen_dot_clock_freq, CARD32 *chosen_feedback_div, CARD32 *chosen_reference_div, CARD32 *chosen_post_div, int flags) { CARD32 min_ref_div = pll->min_ref_div; CARD32 max_ref_div = pll->max_ref_div; CARD32 best_vco = pll->best_vco; CARD32 best_post_div = 1; CARD32 best_ref_div = 1; CARD32 best_feedback_div = 1; CARD32 best_freq = 1; CARD32 best_error = 0xffffffff; CARD32 best_vco_diff = 1; CARD32 post_div; freq = freq * 1000; ErrorF("freq: %lu\n", freq); if (flags & RADEON_PLL_USE_REF_DIV) min_ref_div = max_ref_div = pll->reference_div; for (post_div = pll->min_post_div; post_div <= pll->max_post_div; ++post_div) { CARD32 ref_div; CARD32 vco = (freq / 10000) * post_div; if ((flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) continue; /* legacy radeons only have a few post_divs */ if (flags & RADEON_PLL_LEGACY) { if ((post_div == 5) || (post_div == 7) || (post_div == 9) || (post_div == 10) || (post_div == 11)) continue; } if (vco < pll->pll_out_min || vco > pll->pll_out_max) continue; for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) { CARD32 feedback_div, current_freq, error, vco_diff; CARD32 pll_in = pll->reference_freq / ref_div; if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max) continue; feedback_div = RADEONDiv((CARD64)freq * ref_div * post_div, pll->reference_freq * 10000); if (feedback_div < pll->min_feedback_div || feedback_div > pll->max_feedback_div) continue; current_freq = RADEONDiv((CARD64)pll->reference_freq * 10000 * feedback_div, ref_div * post_div); error = abs(current_freq - freq); vco_diff = abs(vco - best_vco); if ((best_vco == 0 && error < best_error) || (ref_div == pll->reference_div) || (best_vco != 0 && (error < best_error - 100 || (abs(error - best_error) < 100 && vco_diff < best_vco_diff )))) { best_post_div = post_div; best_ref_div = ref_div; best_feedback_div = feedback_div; best_freq = current_freq; best_error = error; best_vco_diff = vco_diff; } } if (!(flags & RADEON_PLL_DCE3)) { if (best_freq == freq) break; } } ErrorF("best_freq: %u\n", (unsigned int)best_freq); ErrorF("best_feedback_div: %u\n", (unsigned int)best_feedback_div); ErrorF("best_ref_div: %u\n", (unsigned int)best_ref_div); ErrorF("best_post_div: %u\n", (unsigned int)best_post_div); *chosen_dot_clock_freq = best_freq / 10000; *chosen_feedback_div = best_feedback_div; *chosen_reference_div = best_ref_div; *chosen_post_div = best_post_div; } static void radeon_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode, int x, int y) { ScrnInfoPtr pScrn = crtc->scrn; RADEONInfoPtr info = RADEONPTR(pScrn); if (IS_AVIVO_VARIANT) { atombios_crtc_mode_set(crtc, mode, adjusted_mode, x, y); } else { legacy_crtc_mode_set(crtc, mode, adjusted_mode, x, y); } } static void radeon_crtc_mode_commit(xf86CrtcPtr crtc) { RADEONInfoPtr info = RADEONPTR(crtc->scrn); RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn); RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; if (info->ChipFamily >= CHIP_FAMILY_R600) { xf86CrtcPtr other; if (radeon_crtc->crtc_id == 1) other = pRADEONEnt->pCrtc[0]; else other = pRADEONEnt->pCrtc[1]; if (other->enabled) radeon_crtc_dpms(other, DPMSModeOn); } radeon_crtc_dpms(crtc, DPMSModeOn); } void radeon_crtc_load_lut(xf86CrtcPtr crtc) { ScrnInfoPtr pScrn = crtc->scrn; RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; RADEONInfoPtr info = RADEONPTR(pScrn); unsigned char *RADEONMMIO = info->MMIO; int i; if (!crtc->enabled) return; if (IS_AVIVO_VARIANT) { OUTREG(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0x0000ffff); OUTREG(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0x0000ffff); OUTREG(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0x0000ffff); } PAL_SELECT(radeon_crtc->crtc_id); if (IS_AVIVO_VARIANT) { OUTREG(AVIVO_DC_LUT_RW_MODE, 0); OUTREG(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f); } for (i = 0; i < 256; i++) { OUTPAL(i, radeon_crtc->lut_r[i], radeon_crtc->lut_g[i], radeon_crtc->lut_b[i]); } if (IS_AVIVO_VARIANT) { OUTREG(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id); } } static void radeon_crtc_gamma_set(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue, int size) { RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; ScrnInfoPtr pScrn = crtc->scrn; int i, j; if (pScrn->depth == 16) { for (i = 0; i < 64; i++) { if (i <= 31) { for (j = 0; j < 8; j++) { radeon_crtc->lut_r[i * 8 + j] = red[i] >> 8; radeon_crtc->lut_b[i * 8 + j] = blue[i] >> 8; } } for (j = 0; j < 4; j++) { radeon_crtc->lut_g[i * 4 + j] = green[i] >> 8; } } } else { for (i = 0; i < 256; i++) { radeon_crtc->lut_r[i] = red[i] >> 8; radeon_crtc->lut_g[i] = green[i] >> 8; radeon_crtc->lut_b[i] = blue[i] >> 8; } } radeon_crtc_load_lut(crtc); } static Bool radeon_crtc_lock(xf86CrtcPtr crtc) { ScrnInfoPtr pScrn = crtc->scrn; RADEONInfoPtr info = RADEONPTR(pScrn); #ifdef XF86DRI if (info->CPStarted && pScrn->pScreen) { DRILock(pScrn->pScreen, 0); if (info->accelOn) RADEON_SYNC(info, pScrn); return TRUE; } #endif if (info->accelOn) RADEON_SYNC(info, pScrn); return FALSE; } static void radeon_crtc_unlock(xf86CrtcPtr crtc) { ScrnInfoPtr pScrn = crtc->scrn; RADEONInfoPtr info = RADEONPTR(pScrn); #ifdef XF86DRI if (info->CPStarted && pScrn->pScreen) DRIUnlock(pScrn->pScreen); #endif if (info->accelOn) RADEON_SYNC(info, pScrn); } #ifdef USE_XAA /** * Allocates memory from the XF86 linear allocator, but also purges * memory if possible to cause the allocation to succeed. */ static FBLinearPtr radeon_xf86AllocateOffscreenLinear(ScreenPtr pScreen, int length, int granularity, MoveLinearCallbackProcPtr moveCB, RemoveLinearCallbackProcPtr removeCB, pointer privData) { FBLinearPtr linear; int max_size; linear = xf86AllocateOffscreenLinear(pScreen, length, granularity, moveCB, removeCB, privData); if (linear != NULL) return linear; /* The above allocation didn't succeed, so purge unlocked stuff and try * again. */ xf86QueryLargestOffscreenLinear(pScreen, &max_size, granularity, PRIORITY_EXTREME); if (max_size < length) return NULL; xf86PurgeUnlockedOffscreenAreas(pScreen); linear = xf86AllocateOffscreenLinear(pScreen, length, granularity, moveCB, removeCB, privData); return linear; } #endif /** * Allocates memory for a locked-in-framebuffer shadow of the given * width and height for this CRTC's rotated shadow framebuffer. */ static void * radeon_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height) { ScrnInfoPtr pScrn = crtc->scrn; /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */ ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; RADEONInfoPtr info = RADEONPTR(pScrn); RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; unsigned long rotate_pitch; unsigned long rotate_offset; int align = 4096, size; int cpp = pScrn->bitsPerPixel / 8; rotate_pitch = pScrn->displayWidth * cpp; size = rotate_pitch * height; #ifdef USE_EXA /* We could get close to what we want here by just creating a pixmap like * normal, but we have to lock it down in framebuffer, and there is no * setter for offscreen area locking in EXA currently. So, we just * allocate offscreen memory and fake up a pixmap header for it. */ if (info->useEXA) { assert(radeon_crtc->rotate_mem_exa == NULL); radeon_crtc->rotate_mem_exa = exaOffscreenAlloc(pScreen, size, align, TRUE, NULL, NULL); if (radeon_crtc->rotate_mem_exa == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Couldn't allocate shadow memory for rotated CRTC\n"); return NULL; } rotate_offset = radeon_crtc->rotate_mem_exa->offset; } #endif /* USE_EXA */ #ifdef USE_XAA if (!info->useEXA) { /* The XFree86 linear allocator operates in units of screen pixels, * sadly. */ size = (size + cpp - 1) / cpp; align = (align + cpp - 1) / cpp; assert(radeon_crtc->rotate_mem_xaa == NULL); radeon_crtc->rotate_mem_xaa = radeon_xf86AllocateOffscreenLinear(pScreen, size, align, NULL, NULL, NULL); if (radeon_crtc->rotate_mem_xaa == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Couldn't allocate shadow memory for rotated CRTC\n"); return NULL; } #ifdef XF86DRI rotate_offset = info->frontOffset + radeon_crtc->rotate_mem_xaa->offset * cpp; #endif } #endif /* USE_XAA */ return info->FB + rotate_offset; } /** * Creates a pixmap for this CRTC's rotated shadow framebuffer. */ static PixmapPtr radeon_crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height) { ScrnInfoPtr pScrn = crtc->scrn; unsigned long rotate_pitch; PixmapPtr rotate_pixmap; int cpp = pScrn->bitsPerPixel / 8; if (!data) data = radeon_crtc_shadow_allocate(crtc, width, height); rotate_pitch = pScrn->displayWidth * cpp; rotate_pixmap = GetScratchPixmapHeader(pScrn->pScreen, width, height, pScrn->depth, pScrn->bitsPerPixel, rotate_pitch, data); if (rotate_pixmap == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Couldn't allocate shadow pixmap for rotated CRTC\n"); } return rotate_pixmap; } static void radeon_crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data) { ScrnInfoPtr pScrn = crtc->scrn; RADEONInfoPtr info = RADEONPTR(pScrn); RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; if (rotate_pixmap) FreeScratchPixmapHeader(rotate_pixmap); if (data) { #ifdef USE_EXA if (info->useEXA && radeon_crtc->rotate_mem_exa != NULL) { exaOffscreenFree(pScrn->pScreen, radeon_crtc->rotate_mem_exa); radeon_crtc->rotate_mem_exa = NULL; } #endif /* USE_EXA */ #ifdef USE_XAA if (!info->useEXA) { xf86FreeOffscreenLinear(radeon_crtc->rotate_mem_xaa); radeon_crtc->rotate_mem_xaa = NULL; } #endif /* USE_XAA */ } } static const xf86CrtcFuncsRec radeon_crtc_funcs = { .dpms = radeon_crtc_dpms, .save = NULL, /* XXX */ .restore = NULL, /* XXX */ .mode_fixup = radeon_crtc_mode_fixup, .prepare = radeon_crtc_mode_prepare, .mode_set = radeon_crtc_mode_set, .commit = radeon_crtc_mode_commit, .gamma_set = radeon_crtc_gamma_set, .lock = radeon_crtc_lock, .unlock = radeon_crtc_unlock, .shadow_create = radeon_crtc_shadow_create, .shadow_allocate = radeon_crtc_shadow_allocate, .shadow_destroy = radeon_crtc_shadow_destroy, .set_cursor_colors = radeon_crtc_set_cursor_colors, .set_cursor_position = radeon_crtc_set_cursor_position, .show_cursor = radeon_crtc_show_cursor, .hide_cursor = radeon_crtc_hide_cursor, .load_cursor_argb = radeon_crtc_load_cursor_argb, .destroy = NULL, /* XXX */ }; Bool RADEONAllocateControllers(ScrnInfoPtr pScrn, int mask) { RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn); RADEONInfoPtr info = RADEONPTR(pScrn); if (mask & 1) { if (pRADEONEnt->Controller[0]) return TRUE; pRADEONEnt->pCrtc[0] = xf86CrtcCreate(pScrn, &radeon_crtc_funcs); if (!pRADEONEnt->pCrtc[0]) return FALSE; pRADEONEnt->Controller[0] = xnfcalloc(sizeof(RADEONCrtcPrivateRec), 1); if (!pRADEONEnt->Controller[0]) return FALSE; pRADEONEnt->pCrtc[0]->driver_private = pRADEONEnt->Controller[0]; pRADEONEnt->Controller[0]->crtc_id = 0; pRADEONEnt->Controller[0]->crtc_offset = 0; if (info->allowColorTiling) pRADEONEnt->Controller[0]->can_tile = 1; else pRADEONEnt->Controller[0]->can_tile = 0; } if (mask & 2) { if (!pRADEONEnt->HasCRTC2) return TRUE; pRADEONEnt->pCrtc[1] = xf86CrtcCreate(pScrn, &radeon_crtc_funcs); if (!pRADEONEnt->pCrtc[1]) return FALSE; pRADEONEnt->Controller[1] = xnfcalloc(sizeof(RADEONCrtcPrivateRec), 1); if (!pRADEONEnt->Controller[1]) { xfree(pRADEONEnt->Controller[0]); return FALSE; } pRADEONEnt->pCrtc[1]->driver_private = pRADEONEnt->Controller[1]; pRADEONEnt->Controller[1]->crtc_id = 1; pRADEONEnt->Controller[1]->crtc_offset = AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; if (info->allowColorTiling) pRADEONEnt->Controller[1]->can_tile = 1; else pRADEONEnt->Controller[1]->can_tile = 0; } return TRUE; } /** * In the current world order, there are lists of modes per output, which may * or may not include the mode that was asked to be set by XFree86's mode * selection. Find the closest one, in the following preference order: * * - Equality * - Closer in size to the requested mode, but no larger * - Closer in refresh rate to the requested mode. */ DisplayModePtr RADEONCrtcFindClosestMode(xf86CrtcPtr crtc, DisplayModePtr pMode) { ScrnInfoPtr pScrn = crtc->scrn; xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); DisplayModePtr pBest = NULL, pScan = NULL; int i; /* Assume that there's only one output connected to the given CRTC. */ for (i = 0; i < xf86_config->num_output; i++) { xf86OutputPtr output = xf86_config->output[i]; if (output->crtc == crtc && output->probed_modes != NULL) { pScan = output->probed_modes; break; } } /* If the pipe doesn't have any detected modes, just let the system try to * spam the desired mode in. */ if (pScan == NULL) { RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "No crtc mode list for crtc %d," "continuing with desired mode\n", radeon_crtc->crtc_id); return pMode; } for (; pScan != NULL; pScan = pScan->next) { assert(pScan->VRefresh != 0.0); /* If there's an exact match, we're done. */ if (xf86ModesEqual(pScan, pMode)) { pBest = pMode; break; } /* Reject if it's larger than the desired mode. */ if (pScan->HDisplay > pMode->HDisplay || pScan->VDisplay > pMode->VDisplay) { continue; } if (pBest == NULL) { pBest = pScan; continue; } /* Find if it's closer to the right size than the current best * option. */ if ((pScan->HDisplay > pBest->HDisplay && pScan->VDisplay >= pBest->VDisplay) || (pScan->HDisplay >= pBest->HDisplay && pScan->VDisplay > pBest->VDisplay)) { pBest = pScan; continue; } /* Find if it's still closer to the right refresh than the current * best resolution. */ if (pScan->HDisplay == pBest->HDisplay && pScan->VDisplay == pBest->VDisplay && (fabs(pScan->VRefresh - pMode->VRefresh) < fabs(pBest->VRefresh - pMode->VRefresh))) { pBest = pScan; } } if (pBest == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "No suitable mode found to program for the pipe.\n" " continuing with desired mode %dx%d@%.1f\n", pMode->HDisplay, pMode->VDisplay, pMode->VRefresh); } else if (!xf86ModesEqual(pBest, pMode)) { RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; int crtc = radeon_crtc->crtc_id; xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Choosing pipe %d's mode %dx%d@%.1f instead of xf86 " "mode %dx%d@%.1f\n", crtc, pBest->HDisplay, pBest->VDisplay, pBest->VRefresh, pMode->HDisplay, pMode->VDisplay, pMode->VRefresh); pMode = pBest; } return pMode; } void RADEONBlank(ScrnInfoPtr pScrn) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); xf86OutputPtr output; xf86CrtcPtr crtc; int o, c; for (c = 0; c < xf86_config->num_crtc; c++) { crtc = xf86_config->crtc[c]; for (o = 0; o < xf86_config->num_output; o++) { output = xf86_config->output[o]; if (output->crtc != crtc) continue; output->funcs->dpms(output, DPMSModeOff); } crtc->funcs->dpms(crtc, DPMSModeOff); } } void RADEONUnblank(ScrnInfoPtr pScrn) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); xf86OutputPtr output; xf86CrtcPtr crtc; int o, c; for (c = 0; c < xf86_config->num_crtc; c++) { crtc = xf86_config->crtc[c]; if(!crtc->enabled) continue; crtc->funcs->dpms(crtc, DPMSModeOn); for (o = 0; o < xf86_config->num_output; o++) { output = xf86_config->output[o]; if (output->crtc != crtc) continue; output->funcs->dpms(output, DPMSModeOn); } } } Bool RADEONSetTiling(ScrnInfoPtr pScrn) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); RADEONInfoPtr info = RADEONPTR(pScrn); RADEONCrtcPrivatePtr radeon_crtc; xf86CrtcPtr crtc; int c; int can_tile = 1; Bool changed = FALSE; for (c = 0; c < xf86_config->num_crtc; c++) { crtc = xf86_config->crtc[c]; radeon_crtc = crtc->driver_private; if (crtc->enabled) { if (!radeon_crtc->can_tile) can_tile = 0; } } if (info->tilingEnabled != can_tile) changed = TRUE; #ifdef XF86DRI if (info->directRenderingEnabled && (info->tilingEnabled != can_tile)) { RADEONSAREAPrivPtr pSAREAPriv; if (RADEONDRISetParam(pScrn, RADEON_SETPARAM_SWITCH_TILING, (can_tile ? 1 : 0)) < 0) xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "[drm] failed changing tiling status\n"); /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */ pSAREAPriv = DRIGetSAREAPrivate(screenInfo.screens[pScrn->scrnIndex]); info->tilingEnabled = pSAREAPriv->tiling_enabled ? TRUE : FALSE; } #endif return changed; }