summaryrefslogtreecommitdiff
path: root/linux-core/intel_display.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core/intel_display.c')
-rw-r--r--linux-core/intel_display.c186
1 files changed, 91 insertions, 95 deletions
diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c
index 92b39406..75d7359f 100644
--- a/linux-core/intel_display.c
+++ b/linux-core/intel_display.c
@@ -583,8 +583,9 @@ static int intel_get_core_clock_speed(drm_device_t *dev)
else if (IS_I945GM(dev) || IS_845G(dev))
return 200000;
else if (IS_I915GM(dev)) {
-#if 0
- u16 gcfgc = pciReadWord(dev->PciTag, I915_GCFGC);
+ u16 gcfgc = 0;
+
+ pci_read_config_word(dev->pdev, I915_GCFGC, &gcfgc);
if (gcfgc & I915_LOW_FREQUENCY_ENABLE)
return 133000;
@@ -597,7 +598,6 @@ static int intel_get_core_clock_speed(drm_device_t *dev)
return 190000;
}
}
-#endif
} else if (IS_I865G(dev))
return 266000;
else if (IS_I855(dev)) {
@@ -835,106 +835,102 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
if (intel_panel_fitter_pipe(dev) == pipe)
I915_WRITE(PFIT_CONTROL, 0);
+ DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
+ drm_mode_debug_printmodeline(dev, mode);
+
#if 0
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
- xf86PrintModeline(pScrn->scrnIndex, mode);
- if (!xf86ModesEqual(mode, adjusted_mode)) {
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "Adjusted mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
- xf86PrintModeline(pScrn->scrnIndex, mode);
- }
- i830PrintPll("chosen", &clock);
+ if (!xf86ModesEqual(mode, adjusted_mode)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Adjusted mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
+ xf86PrintModeline(pScrn->scrnIndex, mode);
+ }
+ i830PrintPll("chosen", &clock);
#endif
- if (dpll & DPLL_VCO_ENABLE)
- {
+ if (dpll & DPLL_VCO_ENABLE) {
+ I915_WRITE(fp_reg, fp);
+ I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
+ I915_READ(dpll_reg);
+ udelay(150);
+ }
+
+ /* The LVDS pin pair needs to be on before the DPLLs are enabled.
+ * This is an exception to the general rule that mode_set doesn't turn
+ * things on.
+ */
+ if (is_lvds) {
+ u32 lvds = I915_READ(LVDS);
+
+ lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
+ /* Set the B0-B3 data pairs corresponding to whether we're going to
+ * set the DPLLs for dual-channel mode or not.
+ */
+ if (clock.p2 == 7)
+ lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+ else
+ lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
+
+ /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
+ * appropriately here, but we need to look more thoroughly into how
+ * panels behave in the two modes.
+ */
+
+ I915_WRITE(LVDS, lvds);
+ I915_READ(LVDS);
+ }
+
I915_WRITE(fp_reg, fp);
- I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
+ I915_WRITE(dpll_reg, dpll);
I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
udelay(150);
- }
-
- /* The LVDS pin pair needs to be on before the DPLLs are enabled.
- * This is an exception to the general rule that mode_set doesn't turn
- * things on.
- */
- if (is_lvds)
- {
- u32 lvds = I915_READ(LVDS);
-
- lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
- /* Set the B0-B3 data pairs corresponding to whether we're going to
- * set the DPLLs for dual-channel mode or not.
- */
- if (clock.p2 == 7)
- lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
- else
- lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
- /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
- * appropriately here, but we need to look more thoroughly into how
- * panels behave in the two modes.
- */
-
- I915_WRITE(LVDS, lvds);
- I915_READ(LVDS);
- }
-
- I915_WRITE(fp_reg, fp);
- I915_WRITE(dpll_reg, dpll);
- I915_READ(dpll_reg);
- /* Wait for the clocks to stabilize. */
- udelay(150);
-
- if (IS_I965G(dev)) {
- int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
- I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
- ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
- } else {
- /* write it again -- the BIOS does, after all */
- I915_WRITE(dpll_reg, dpll);
- }
- I915_READ(dpll_reg);
- /* Wait for the clocks to stabilize. */
- udelay(150);
-
- I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
- ((adjusted_mode->crtc_htotal - 1) << 16));
- I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
- ((adjusted_mode->crtc_hblank_end - 1) << 16));
- I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
- ((adjusted_mode->crtc_hsync_end - 1) << 16));
- I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
- ((adjusted_mode->crtc_vtotal - 1) << 16));
- I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
- ((adjusted_mode->crtc_vblank_end - 1) << 16));
- I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
- ((adjusted_mode->crtc_vsync_end - 1) << 16));
- I915_WRITE(dspstride_reg, crtc->fb->pitch * (crtc->fb->bits_per_pixel / 8));
- /* pipesrc and dspsize control the size that is scaled from, which should
- * always be the user's requested size.
- */
- I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
- I915_WRITE(dsppos_reg, 0);
- I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
- I915_WRITE(pipeconf_reg, pipeconf);
- I915_READ(pipeconf_reg);
-
- intel_wait_for_vblank(dev);
-
- I915_WRITE(dspcntr_reg, dspcntr);
-
- /* Flush the plane changes */
- intel_pipe_set_base(crtc, x, y);
-
+
+ if (IS_I965G(dev)) {
+ int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+ I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
+ ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
+ } else {
+ /* write it again -- the BIOS does, after all */
+ I915_WRITE(dpll_reg, dpll);
+ }
+ I915_READ(dpll_reg);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ I915_WRITE(dspstride_reg, crtc->fb->pitch * (crtc->fb->bits_per_pixel / 8));
+ /* pipesrc and dspsize control the size that is scaled from, which should
+ * always be the user's requested size.
+ */
+ I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+ I915_WRITE(dsppos_reg, 0);
+ I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ I915_WRITE(pipeconf_reg, pipeconf);
+ I915_READ(pipeconf_reg);
+
+ intel_wait_for_vblank(dev);
+
+ I915_WRITE(dspcntr_reg, dspcntr);
+
+ /* Flush the plane changes */
+ intel_pipe_set_base(crtc, x, y);
+
#ifdef XF86DRI // TODO
// I830DRISetVBlankInterrupt (pScrn, TRUE);
#endif
-
- intel_wait_for_vblank(dev);
-
-
+
+ intel_wait_for_vblank(dev);
}
/** Loads the palette/gamma unit for the CRTC with the prepared values */
@@ -1002,7 +998,7 @@ void intel_crtc_init(drm_device_t *dev, int pipe)
if (crtc == NULL)
return;
- intel_crtc = kmalloc(sizeof(struct intel_crtc), GFP_KERNEL);
+ intel_crtc = kzalloc(sizeof(struct intel_crtc), GFP_KERNEL);
if (intel_crtc == NULL) {
kfree(crtc);
return;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 19:54:48 +0000