diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/oaktrail_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/oaktrail_crtc.c | 559 |
1 files changed, 317 insertions, 242 deletions
diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c index 3071526bc3c1..086d14678a8e 100644 --- a/drivers/gpu/drm/gma500/oaktrail_crtc.c +++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c @@ -1,49 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright © 2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <linux/delay.h> #include <linux/i2c.h> #include <linux/pm_runtime.h> -#include <drm/drmP.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_print.h> + #include "framebuffer.h" +#include "gem.h" +#include "gma_display.h" +#include "power.h" #include "psb_drv.h" #include "psb_intel_drv.h" #include "psb_intel_reg.h" -#include "psb_intel_display.h" -#include "power.h" - -struct psb_intel_range_t { - int min, max; -}; - -struct oaktrail_limit_t { - struct psb_intel_range_t dot, m, p1; -}; - -struct oaktrail_clock_t { - /* derived values */ - int dot; - int m; - int p1; -}; -#define MRST_LIMIT_LVDS_100L 0 -#define MRST_LIMIT_LVDS_83 1 -#define MRST_LIMIT_LVDS_100 2 +#define MRST_LIMIT_LVDS_100L 0 +#define MRST_LIMIT_LVDS_83 1 +#define MRST_LIMIT_LVDS_100 2 +#define MRST_LIMIT_SDVO 3 #define MRST_DOT_MIN 19750 #define MRST_DOT_MAX 120000 @@ -57,21 +37,40 @@ struct oaktrail_clock_t { #define MRST_P1_MAX_0 7 #define MRST_P1_MAX_1 8 -static const struct oaktrail_limit_t oaktrail_limits[] = { +static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit, + struct drm_crtc *crtc, int target, + int refclk, struct gma_clock_t *best_clock); + +static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit, + struct drm_crtc *crtc, int target, + int refclk, struct gma_clock_t *best_clock); + +static const struct gma_limit_t mrst_limits[] = { { /* MRST_LIMIT_LVDS_100L */ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L}, .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1}, + .find_pll = mrst_lvds_find_best_pll, }, { /* MRST_LIMIT_LVDS_83L */ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83}, .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0}, + .find_pll = mrst_lvds_find_best_pll, }, { /* MRST_LIMIT_LVDS_100 */ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100}, .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1}, + .find_pll = mrst_lvds_find_best_pll, + }, + { /* MRST_LIMIT_SDVO */ + .vco = {.min = 1400000, .max = 2800000}, + .n = {.min = 3, .max = 7}, + .m = {.min = 80, .max = 137}, + .p1 = {.min = 1, .max = 2}, + .p2 = {.dot_limit = 200000, .p2_slow = 10, .p2_fast = 10}, + .find_pll = mrst_sdvo_find_best_pll, }, }; @@ -82,65 +81,123 @@ static const u32 oaktrail_m_converts[] = { 0x12, 0x09, 0x24, 0x32, 0x39, 0x1c, }; -static const struct oaktrail_limit_t *oaktrail_limit(struct drm_crtc *crtc) +static const struct gma_limit_t *mrst_limit(struct drm_crtc *crtc, + int refclk) { - const struct oaktrail_limit_t *limit = NULL; + const struct gma_limit_t *limit = NULL; struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; + struct drm_psb_private *dev_priv = to_drm_psb_private(dev); - if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) - || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) { + if (gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) + || gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) { switch (dev_priv->core_freq) { case 100: - limit = &oaktrail_limits[MRST_LIMIT_LVDS_100L]; + limit = &mrst_limits[MRST_LIMIT_LVDS_100L]; break; case 166: - limit = &oaktrail_limits[MRST_LIMIT_LVDS_83]; + limit = &mrst_limits[MRST_LIMIT_LVDS_83]; break; case 200: - limit = &oaktrail_limits[MRST_LIMIT_LVDS_100]; + limit = &mrst_limits[MRST_LIMIT_LVDS_100]; break; } + } else if (gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { + limit = &mrst_limits[MRST_LIMIT_SDVO]; } else { limit = NULL; - dev_err(dev->dev, "oaktrail_limit Wrong display type.\n"); + dev_err(dev->dev, "mrst_limit Wrong display type.\n"); } return limit; } /** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ -static void oaktrail_clock(int refclk, struct oaktrail_clock_t *clock) +static void mrst_lvds_clock(int refclk, struct gma_clock_t *clock) { clock->dot = (refclk * clock->m) / (14 * clock->p1); } -static void mrstPrintPll(char *prefix, struct oaktrail_clock_t *clock) +static void mrst_print_pll(struct gma_clock_t *clock) { - pr_debug("%s: dotclock = %d, m = %d, p1 = %d.\n", - prefix, clock->dot, clock->m, clock->p1); + DRM_DEBUG_DRIVER("dotclock=%d, m=%d, m1=%d, m2=%d, n=%d, p1=%d, p2=%d\n", + clock->dot, clock->m, clock->m1, clock->m2, clock->n, + clock->p1, clock->p2); } -/** +static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit, + struct drm_crtc *crtc, int target, + int refclk, struct gma_clock_t *best_clock) +{ + struct gma_clock_t clock; + u32 target_vco, actual_freq; + s32 freq_error, min_error = 100000; + + memset(best_clock, 0, sizeof(*best_clock)); + memset(&clock, 0, sizeof(clock)); + + for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) { + for (clock.n = limit->n.min; clock.n <= limit->n.max; + clock.n++) { + for (clock.p1 = limit->p1.min; + clock.p1 <= limit->p1.max; clock.p1++) { + /* p2 value always stored in p2_slow on SDVO */ + clock.p = clock.p1 * limit->p2.p2_slow; + target_vco = target * clock.p; + + /* VCO will increase at this point so break */ + if (target_vco > limit->vco.max) + break; + + if (target_vco < limit->vco.min) + continue; + + actual_freq = (refclk * clock.m) / + (clock.n * clock.p); + freq_error = 10000 - + ((target * 10000) / actual_freq); + + if (freq_error < -min_error) { + /* freq_error will start to decrease at + this point so break */ + break; + } + + if (freq_error < 0) + freq_error = -freq_error; + + if (freq_error < min_error) { + min_error = freq_error; + *best_clock = clock; + } + } + } + if (min_error == 0) + break; + } + + return min_error == 0; +} + +/* * Returns a set of divisors for the desired target clock with the given refclk, * or FALSE. Divisor values are the actual divisors for */ -static bool -mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk, - struct oaktrail_clock_t *best_clock) +static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit, + struct drm_crtc *crtc, int target, + int refclk, struct gma_clock_t *best_clock) { - struct oaktrail_clock_t clock; - const struct oaktrail_limit_t *limit = oaktrail_limit(crtc); + struct gma_clock_t clock; int err = target; memset(best_clock, 0, sizeof(*best_clock)); + memset(&clock, 0, sizeof(clock)); for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) { for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max; clock.p1++) { int this_err; - oaktrail_clock(refclk, &clock); + mrst_lvds_clock(refclk, &clock); this_err = abs(clock.dot - target); if (this_err < err) { @@ -149,11 +206,10 @@ mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk, } } } - dev_dbg(crtc->dev->dev, "mrstFindBestPLL err = %d.\n", err); return err != target; } -/** +/* * Sets the power management mode of the pipe and plane. * * This code should probably grow support for turning the cursor off and back @@ -162,13 +218,15 @@ mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk, static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode) { struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; + struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + struct gma_crtc *gma_crtc = to_gma_crtc(crtc); + int pipe = gma_crtc->pipe; const struct psb_offset *map = &dev_priv->regmap[pipe]; u32 temp; + int i; + int need_aux = gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ? 1 : 0; - if (pipe == 1) { + if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { oaktrail_crtc_hdmi_dpms(crtc, mode); return; } @@ -183,36 +241,46 @@ static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode) case DRM_MODE_DPMS_ON: case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: - /* Enable the DPLL */ - temp = REG_READ(map->dpll); - if ((temp & DPLL_VCO_ENABLE) == 0) { - REG_WRITE(map->dpll, temp); - REG_READ(map->dpll); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE); - REG_READ(map->dpll); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE); - REG_READ(map->dpll); - /* Wait for the clocks to stabilize. */ - udelay(150); - } - /* Enable the pipe */ - temp = REG_READ(map->conf); - if ((temp & PIPEACONF_ENABLE) == 0) - REG_WRITE(map->conf, temp | PIPEACONF_ENABLE); - /* Enable the plane */ - temp = REG_READ(map->cntr); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(map->cntr, - temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(map->base, REG_READ(map->base)); - } + for (i = 0; i <= need_aux; i++) { + /* Enable the DPLL */ + temp = REG_READ_WITH_AUX(map->dpll, i); + if ((temp & DPLL_VCO_ENABLE) == 0) { + REG_WRITE_WITH_AUX(map->dpll, temp, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Wait for the clocks to stabilize. */ + udelay(150); + REG_WRITE_WITH_AUX(map->dpll, + temp | DPLL_VCO_ENABLE, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Wait for the clocks to stabilize. */ + udelay(150); + REG_WRITE_WITH_AUX(map->dpll, + temp | DPLL_VCO_ENABLE, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Wait for the clocks to stabilize. */ + udelay(150); + } + + /* Enable the pipe */ + temp = REG_READ_WITH_AUX(map->conf, i); + if ((temp & PIPEACONF_ENABLE) == 0) { + REG_WRITE_WITH_AUX(map->conf, + temp | PIPEACONF_ENABLE, i); + } + + /* Enable the plane */ + temp = REG_READ_WITH_AUX(map->cntr, i); + if ((temp & DISPLAY_PLANE_ENABLE) == 0) { + REG_WRITE_WITH_AUX(map->cntr, + temp | DISPLAY_PLANE_ENABLE, + i); + /* Flush the plane changes */ + REG_WRITE_WITH_AUX(map->base, + REG_READ_WITH_AUX(map->base, i), i); + } - psb_intel_crtc_load_lut(crtc); + } + gma_crtc_load_lut(crtc); /* Give the overlay scaler a chance to enable if it's on this pipe */ @@ -223,53 +291,57 @@ static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode) * if it's on this pipe */ /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - /* Disable display plane */ - temp = REG_READ(map->cntr); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(map->cntr, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(map->base, REG_READ(map->base)); - REG_READ(map->base); - } + for (i = 0; i <= need_aux; i++) { + /* Disable the VGA plane that we never use */ + REG_WRITE_WITH_AUX(VGACNTRL, VGA_DISP_DISABLE, i); + /* Disable display plane */ + temp = REG_READ_WITH_AUX(map->cntr, i); + if ((temp & DISPLAY_PLANE_ENABLE) != 0) { + REG_WRITE_WITH_AUX(map->cntr, + temp & ~DISPLAY_PLANE_ENABLE, i); + /* Flush the plane changes */ + REG_WRITE_WITH_AUX(map->base, + REG_READ(map->base), i); + REG_READ_WITH_AUX(map->base, i); + } - /* Next, disable display pipes */ - temp = REG_READ(map->conf); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(map->conf, temp & ~PIPEACONF_ENABLE); - REG_READ(map->conf); - } - /* Wait for for the pipe disable to take effect. */ - psb_intel_wait_for_vblank(dev); + /* Next, disable display pipes */ + temp = REG_READ_WITH_AUX(map->conf, i); + if ((temp & PIPEACONF_ENABLE) != 0) { + REG_WRITE_WITH_AUX(map->conf, + temp & ~PIPEACONF_ENABLE, i); + REG_READ_WITH_AUX(map->conf, i); + } + /* Wait for the pipe disable to take effect. */ + gma_wait_for_vblank(dev); + + temp = REG_READ_WITH_AUX(map->dpll, i); + if ((temp & DPLL_VCO_ENABLE) != 0) { + REG_WRITE_WITH_AUX(map->dpll, + temp & ~DPLL_VCO_ENABLE, i); + REG_READ_WITH_AUX(map->dpll, i); + } - temp = REG_READ(map->dpll); - if ((temp & DPLL_VCO_ENABLE) != 0) { - REG_WRITE(map->dpll, temp & ~DPLL_VCO_ENABLE); - REG_READ(map->dpll); + /* Wait for the clocks to turn off. */ + udelay(150); } - - /* Wait for the clocks to turn off. */ - udelay(150); break; } - /*Set FIFO Watermarks*/ - REG_WRITE(DSPARB, 0x3FFF); - REG_WRITE(DSPFW1, 0x3F88080A); - REG_WRITE(DSPFW2, 0x0b060808); + /* Set FIFO Watermarks (values taken from EMGD) */ + REG_WRITE(DSPARB, 0x3f80); + REG_WRITE(DSPFW1, 0x3f8f0404); + REG_WRITE(DSPFW2, 0x04040f04); REG_WRITE(DSPFW3, 0x0); - REG_WRITE(DSPFW4, 0x08030404); + REG_WRITE(DSPFW4, 0x04040404); REG_WRITE(DSPFW5, 0x04040404); REG_WRITE(DSPFW6, 0x78); - REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000); - /* Must write Bit 14 of the Chicken Bit Register */ + REG_WRITE(DSPCHICKENBIT, REG_READ(DSPCHICKENBIT) | 0xc040); gma_power_end(dev); } -/** +/* * Return the pipe currently connected to the panel fitter, * or -1 if the panel fitter is not present or not in use */ @@ -292,41 +364,41 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, struct drm_framebuffer *old_fb) { struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct drm_psb_private *dev_priv = dev->dev_private; - int pipe = psb_intel_crtc->pipe; + struct gma_crtc *gma_crtc = to_gma_crtc(crtc); + struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + int pipe = gma_crtc->pipe; const struct psb_offset *map = &dev_priv->regmap[pipe]; int refclk = 0; - struct oaktrail_clock_t clock; + struct gma_clock_t clock; + const struct gma_limit_t *limit; u32 dpll = 0, fp = 0, dspcntr, pipeconf; bool ok, is_sdvo = false; bool is_lvds = false; bool is_mipi = false; - struct drm_mode_config *mode_config = &dev->mode_config; - struct psb_intel_encoder *psb_intel_encoder = NULL; + struct gma_encoder *gma_encoder = NULL; uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN; + struct drm_connector_list_iter conn_iter; struct drm_connector *connector; + int i; + int need_aux = gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ? 1 : 0; - if (pipe == 1) + if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) return oaktrail_crtc_hdmi_mode_set(crtc, mode, adjusted_mode, x, y, old_fb); if (!gma_power_begin(dev, true)) return 0; - memcpy(&psb_intel_crtc->saved_mode, - mode, - sizeof(struct drm_display_mode)); - memcpy(&psb_intel_crtc->saved_adjusted_mode, - adjusted_mode, - sizeof(struct drm_display_mode)); + drm_mode_copy(&gma_crtc->saved_mode, mode); + drm_mode_copy(&gma_crtc->saved_adjusted_mode, adjusted_mode); - list_for_each_entry(connector, &mode_config->connector_list, head) { + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { if (!connector->encoder || connector->encoder->crtc != crtc) continue; - psb_intel_encoder = psb_intel_attached_encoder(connector); + gma_encoder = gma_attached_encoder(connector); - switch (psb_intel_encoder->type) { + switch (gma_encoder->type) { case INTEL_OUTPUT_LVDS: is_lvds = true; break; @@ -337,22 +409,28 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, is_mipi = true; break; } + + break; } + if (gma_encoder) + drm_object_property_get_value(&connector->base, + dev->mode_config.scaling_mode_property, &scalingType); + + drm_connector_list_iter_end(&conn_iter); + /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); + for (i = 0; i <= need_aux; i++) + REG_WRITE_WITH_AUX(VGACNTRL, VGA_DISP_DISABLE, i); /* Disable the panel fitter if it was on our pipe */ if (oaktrail_panel_fitter_pipe(dev) == pipe) REG_WRITE(PFIT_CONTROL, 0); - REG_WRITE(map->src, - ((mode->crtc_hdisplay - 1) << 16) | - (mode->crtc_vdisplay - 1)); - - if (psb_intel_encoder) - drm_object_property_get_value(&connector->base, - dev->mode_config.scaling_mode_property, &scalingType); + for (i = 0; i <= need_aux; i++) { + REG_WRITE_WITH_AUX(map->src, ((mode->crtc_hdisplay - 1) << 16) | + (mode->crtc_vdisplay - 1), i); + } if (scalingType == DRM_MODE_SCALE_NO_SCALE) { /* Moorestown doesn't have register support for centering so @@ -365,40 +443,44 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2; - REG_WRITE(map->htotal, (mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(map->vtotal, (mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(map->hblank, - (adjusted_mode->crtc_hblank_start - offsetX - 1) | - ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16)); - REG_WRITE(map->hsync, - (adjusted_mode->crtc_hsync_start - offsetX - 1) | - ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16)); - REG_WRITE(map->vblank, - (adjusted_mode->crtc_vblank_start - offsetY - 1) | - ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16)); - REG_WRITE(map->vsync, - (adjusted_mode->crtc_vsync_start - offsetY - 1) | - ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16)); + for (i = 0; i <= need_aux; i++) { + REG_WRITE_WITH_AUX(map->htotal, (mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vtotal, (mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16), i); + REG_WRITE_WITH_AUX(map->hblank, + (adjusted_mode->crtc_hblank_start - offsetX - 1) | + ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16), i); + REG_WRITE_WITH_AUX(map->hsync, + (adjusted_mode->crtc_hsync_start - offsetX - 1) | + ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vblank, + (adjusted_mode->crtc_vblank_start - offsetY - 1) | + ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vsync, + (adjusted_mode->crtc_vsync_start - offsetY - 1) | + ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16), i); + } } else { - REG_WRITE(map->htotal, (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); + for (i = 0; i <= need_aux; i++) { + REG_WRITE_WITH_AUX(map->htotal, (adjusted_mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16), i); + REG_WRITE_WITH_AUX(map->hblank, (adjusted_mode->crtc_hblank_start - 1) | + ((adjusted_mode->crtc_hblank_end - 1) << 16), i); + REG_WRITE_WITH_AUX(map->hsync, (adjusted_mode->crtc_hsync_start - 1) | + ((adjusted_mode->crtc_hsync_end - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vblank, (adjusted_mode->crtc_vblank_start - 1) | + ((adjusted_mode->crtc_vblank_end - 1) << 16), i); + REG_WRITE_WITH_AUX(map->vsync, (adjusted_mode->crtc_vsync_start - 1) | + ((adjusted_mode->crtc_vsync_end - 1) << 16), i); + } } /* Flush the plane changes */ { - struct drm_crtc_helper_funcs *crtc_funcs = + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->mode_set_base(crtc, x, y, old_fb); } @@ -418,21 +500,30 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, if (is_mipi) goto oaktrail_crtc_mode_set_exit; - refclk = dev_priv->core_freq * 1000; dpll = 0; /*BIT16 = 0 for 100MHz reference */ - ok = mrstFindBestPLL(crtc, adjusted_mode->clock, refclk, &clock); + refclk = is_sdvo ? 96000 : dev_priv->core_freq * 1000; + limit = mrst_limit(crtc, refclk); + ok = limit->find_pll(limit, crtc, adjusted_mode->clock, + refclk, &clock); - if (!ok) { - dev_dbg(dev->dev, "mrstFindBestPLL fail in oaktrail_crtc_mode_set.\n"); - } else { - dev_dbg(dev->dev, "oaktrail_crtc_mode_set pixel clock = %d," - "m = %x, p1 = %x.\n", clock.dot, clock.m, - clock.p1); + if (is_sdvo) { + /* Convert calculated values to register values */ + clock.p1 = (1L << (clock.p1 - 1)); + clock.m -= 2; + clock.n = (1L << (clock.n - 1)); } - fp = oaktrail_m_converts[(clock.m - MRST_M_MIN)] << 8; + if (!ok) + DRM_ERROR("Failed to find proper PLL settings"); + + mrst_print_pll(&clock); + + if (is_sdvo) + fp = clock.n << 16 | clock.m; + else + fp = oaktrail_m_converts[(clock.m - MRST_M_MIN)] << 8; dpll |= DPLL_VGA_MODE_DIS; @@ -456,59 +547,57 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, /* compute bitmask from p1 value */ - dpll |= (1 << (clock.p1 - 2)) << 17; + if (is_sdvo) + dpll |= clock.p1 << 16; // dpll |= (1 << (clock.p1 - 1)) << 16; + else + dpll |= (1 << (clock.p1 - 2)) << 17; dpll |= DPLL_VCO_ENABLE; - mrstPrintPll("chosen", &clock); - if (dpll & DPLL_VCO_ENABLE) { - REG_WRITE(map->fp0, fp); - REG_WRITE(map->dpll, dpll & ~DPLL_VCO_ENABLE); - REG_READ(map->dpll); - /* Check the DPLLA lock bit PIPEACONF[29] */ - udelay(150); + for (i = 0; i <= need_aux; i++) { + REG_WRITE_WITH_AUX(map->fp0, fp, i); + REG_WRITE_WITH_AUX(map->dpll, dpll & ~DPLL_VCO_ENABLE, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Check the DPLLA lock bit PIPEACONF[29] */ + udelay(150); + } } - REG_WRITE(map->fp0, fp); - REG_WRITE(map->dpll, dpll); - REG_READ(map->dpll); - /* Wait for the clocks to stabilize. */ - udelay(150); + for (i = 0; i <= need_aux; i++) { + REG_WRITE_WITH_AUX(map->fp0, fp, i); + REG_WRITE_WITH_AUX(map->dpll, dpll, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Wait for the clocks to stabilize. */ + udelay(150); - /* write it again -- the BIOS does, after all */ - REG_WRITE(map->dpll, dpll); - REG_READ(map->dpll); - /* Wait for the clocks to stabilize. */ - udelay(150); + /* write it again -- the BIOS does, after all */ + REG_WRITE_WITH_AUX(map->dpll, dpll, i); + REG_READ_WITH_AUX(map->dpll, i); + /* Wait for the clocks to stabilize. */ + udelay(150); - REG_WRITE(map->conf, pipeconf); - REG_READ(map->conf); - psb_intel_wait_for_vblank(dev); + REG_WRITE_WITH_AUX(map->conf, pipeconf, i); + REG_READ_WITH_AUX(map->conf, i); + gma_wait_for_vblank(dev); - REG_WRITE(map->cntr, dspcntr); - psb_intel_wait_for_vblank(dev); + REG_WRITE_WITH_AUX(map->cntr, dspcntr, i); + gma_wait_for_vblank(dev); + } oaktrail_crtc_mode_set_exit: gma_power_end(dev); return 0; } -static bool oaktrail_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static int oaktrail_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); - int pipe = psb_intel_crtc->pipe; + struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + struct gma_crtc *gma_crtc = to_gma_crtc(crtc); + struct drm_framebuffer *fb = crtc->primary->fb; + int pipe = gma_crtc->pipe; const struct psb_offset *map = &dev_priv->regmap[pipe]; unsigned long start, offset; @@ -516,7 +605,7 @@ static int oaktrail_pipe_set_base(struct drm_crtc *crtc, int ret = 0; /* no fb bound */ - if (!crtc->fb) { + if (!fb) { dev_dbg(dev->dev, "No FB bound\n"); return 0; } @@ -524,20 +613,20 @@ static int oaktrail_pipe_set_base(struct drm_crtc *crtc, if (!gma_power_begin(dev, true)) return 0; - start = psbfb->gtt->offset; - offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8); + start = to_psb_gem_object(fb->obj[0])->offset; + offset = y * fb->pitches[0] + x * fb->format->cpp[0]; - REG_WRITE(map->stride, crtc->fb->pitches[0]); + REG_WRITE(map->stride, fb->pitches[0]); dspcntr = REG_READ(map->cntr); dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - switch (crtc->fb->bits_per_pixel) { + switch (fb->format->cpp[0] * 8) { case 8: dspcntr |= DISPPLANE_8BPP; break; case 16: - if (crtc->fb->depth == 15) + if (fb->format->depth == 15) dspcntr |= DISPPLANE_15_16BPP; else dspcntr |= DISPPLANE_16BPP; @@ -563,24 +652,10 @@ pipe_set_base_exit: return ret; } -static void oaktrail_crtc_prepare(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void oaktrail_crtc_commit(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); -} - const struct drm_crtc_helper_funcs oaktrail_helper_funcs = { .dpms = oaktrail_crtc_dpms, - .mode_fixup = oaktrail_crtc_mode_fixup, .mode_set = oaktrail_crtc_mode_set, .mode_set_base = oaktrail_pipe_set_base, - .prepare = oaktrail_crtc_prepare, - .commit = oaktrail_crtc_commit, + .prepare = gma_crtc_prepare, + .commit = gma_crtc_commit, }; - |
