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path: root/drivers/gpu/drm/radeon/atombios_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c695
1 files changed, 695 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
new file mode 100644
index 00000000000..c0080cc9bf8
--- /dev/null
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -0,0 +1,695 @@
+/*
+ * Copyright 2007-8 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * 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
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ */
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/radeon_drm.h>
+#include "radeon_fixed.h"
+#include "radeon.h"
+#include "atom.h"
+#include "atom-bits.h"
+
+static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index =
+ GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = lock;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
+ BLANK_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucBlanking = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ if (ASIC_IS_DCE3(rdev))
+ atombios_enable_crtc_memreq(crtc, 1);
+ atombios_enable_crtc(crtc, 1);
+ atombios_blank_crtc(crtc, 0);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ atombios_blank_crtc(crtc, 1);
+ atombios_enable_crtc(crtc, 0);
+ if (ASIC_IS_DCE3(rdev))
+ atombios_enable_crtc_memreq(crtc, 0);
+ break;
+ }
+
+ if (mode != DRM_MODE_DPMS_OFF) {
+ radeon_crtc_load_lut(crtc);
+ }
+}
+
+static void
+atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
+ SET_CRTC_USING_DTD_TIMING_PARAMETERS * crtc_param)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ SET_CRTC_USING_DTD_TIMING_PARAMETERS conv_param;
+ int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
+
+ conv_param.usH_Size = cpu_to_le16(crtc_param->usH_Size);
+ conv_param.usH_Blanking_Time =
+ cpu_to_le16(crtc_param->usH_Blanking_Time);
+ conv_param.usV_Size = cpu_to_le16(crtc_param->usV_Size);
+ conv_param.usV_Blanking_Time =
+ cpu_to_le16(crtc_param->usV_Blanking_Time);
+ conv_param.usH_SyncOffset = cpu_to_le16(crtc_param->usH_SyncOffset);
+ conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth);
+ conv_param.usV_SyncOffset = cpu_to_le16(crtc_param->usV_SyncOffset);
+ conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth);
+ conv_param.susModeMiscInfo.usAccess =
+ cpu_to_le16(crtc_param->susModeMiscInfo.usAccess);
+ conv_param.ucCRTC = crtc_param->ucCRTC;
+
+ printk("executing set crtc dtd timing\n");
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&conv_param);
+}
+
+void atombios_crtc_set_timing(struct drm_crtc *crtc,
+ SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *
+ crtc_param)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION conv_param;
+ int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
+
+ conv_param.usH_Total = cpu_to_le16(crtc_param->usH_Total);
+ conv_param.usH_Disp = cpu_to_le16(crtc_param->usH_Disp);
+ conv_param.usH_SyncStart = cpu_to_le16(crtc_param->usH_SyncStart);
+ conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth);
+ conv_param.usV_Total = cpu_to_le16(crtc_param->usV_Total);
+ conv_param.usV_Disp = cpu_to_le16(crtc_param->usV_Disp);
+ conv_param.usV_SyncStart = cpu_to_le16(crtc_param->usV_SyncStart);
+ conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth);
+ conv_param.susModeMiscInfo.usAccess =
+ cpu_to_le16(crtc_param->susModeMiscInfo.usAccess);
+ conv_param.ucCRTC = crtc_param->ucCRTC;
+ conv_param.ucOverscanRight = crtc_param->ucOverscanRight;
+ conv_param.ucOverscanLeft = crtc_param->ucOverscanLeft;
+ conv_param.ucOverscanBottom = crtc_param->ucOverscanBottom;
+ conv_param.ucOverscanTop = crtc_param->ucOverscanTop;
+ conv_param.ucReserved = crtc_param->ucReserved;
+
+ printk("executing set crtc timing\n");
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&conv_param);
+}
+
+void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_encoder *encoder = NULL;
+ struct radeon_encoder *radeon_encoder = NULL;
+ uint8_t frev, crev;
+ int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
+ SET_PIXEL_CLOCK_PS_ALLOCATION args;
+ PIXEL_CLOCK_PARAMETERS *spc1_ptr;
+ PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr;
+ PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr;
+ uint32_t sclock = mode->clock;
+ uint32_t ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
+ struct radeon_pll *pll;
+ int pll_flags = 0;
+
+ memset(&args, 0, sizeof(args));
+
+ if (ASIC_IS_AVIVO(rdev)) {
+ uint32_t ss_cntl;
+
+ if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
+ pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ /* disable spread spectrum clocking for now -- thanks Hedy Lamarr */
+ if (radeon_crtc->crtc_id == 0) {
+ ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
+ WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl & ~1);
+ } else {
+ ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
+ WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl & ~1);
+ }
+ } else {
+ pll_flags |= RADEON_PLL_LEGACY;
+
+ if (mode->clock > 200000) /* range limits??? */
+ pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ }
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ if (!ASIC_IS_AVIVO(rdev)) {
+ if (encoder->encoder_type !=
+ DRM_MODE_ENCODER_DAC)
+ pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
+ if (!ASIC_IS_AVIVO(rdev)
+ && (encoder->encoder_type ==
+ DRM_MODE_ENCODER_LVDS))
+ pll_flags |= RADEON_PLL_USE_REF_DIV;
+ }
+ radeon_encoder = to_radeon_encoder(encoder);
+ }
+ }
+
+ if (radeon_crtc->crtc_id == 0)
+ pll = &rdev->clock.p1pll;
+ else
+ pll = &rdev->clock.p2pll;
+
+ radeon_compute_pll(pll, mode->clock, &sclock, &fb_div, &frac_fb_div,
+ &ref_div, &post_div, pll_flags);
+
+ atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev);
+
+ switch (frev) {
+ case 1:
+ switch (crev) {
+ case 1:
+ spc1_ptr = (PIXEL_CLOCK_PARAMETERS *) & args.sPCLKInput;
+ spc1_ptr->usPixelClock = cpu_to_le16(sclock);
+ spc1_ptr->usRefDiv = cpu_to_le16(ref_div);
+ spc1_ptr->usFbDiv = cpu_to_le16(fb_div);
+ spc1_ptr->ucFracFbDiv = frac_fb_div;
+ spc1_ptr->ucPostDiv = post_div;
+ spc1_ptr->ucPpll =
+ radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+ spc1_ptr->ucCRTC = radeon_crtc->crtc_id;
+ spc1_ptr->ucRefDivSrc = 1;
+ break;
+ case 2:
+ spc2_ptr =
+ (PIXEL_CLOCK_PARAMETERS_V2 *) & args.sPCLKInput;
+ spc2_ptr->usPixelClock = cpu_to_le16(sclock);
+ spc2_ptr->usRefDiv = cpu_to_le16(ref_div);
+ spc2_ptr->usFbDiv = cpu_to_le16(fb_div);
+ spc2_ptr->ucFracFbDiv = frac_fb_div;
+ spc2_ptr->ucPostDiv = post_div;
+ spc2_ptr->ucPpll =
+ radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+ spc2_ptr->ucCRTC = radeon_crtc->crtc_id;
+ spc2_ptr->ucRefDivSrc = 1;
+ break;
+ case 3:
+ if (!encoder)
+ return;
+ spc3_ptr =
+ (PIXEL_CLOCK_PARAMETERS_V3 *) & args.sPCLKInput;
+ spc3_ptr->usPixelClock = cpu_to_le16(sclock);
+ spc3_ptr->usRefDiv = cpu_to_le16(ref_div);
+ spc3_ptr->usFbDiv = cpu_to_le16(fb_div);
+ spc3_ptr->ucFracFbDiv = frac_fb_div;
+ spc3_ptr->ucPostDiv = post_div;
+ spc3_ptr->ucPpll =
+ radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+ spc3_ptr->ucMiscInfo = (radeon_crtc->crtc_id << 2);
+ spc3_ptr->ucTransmitterId = radeon_encoder->encoder_id;
+ spc3_ptr->ucEncoderMode =
+ atombios_get_encoder_mode(encoder);
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+
+ printk("executing set pll\n");
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_framebuffer *radeon_fb;
+ struct drm_gem_object *obj;
+ struct drm_radeon_gem_object *obj_priv;
+ uint64_t fb_location;
+ uint32_t fb_format, fb_pitch_pixels;
+
+ if (!crtc->fb)
+ return -EINVAL;
+
+ radeon_fb = to_radeon_framebuffer(crtc->fb);
+
+ obj = radeon_fb->obj;
+ obj_priv = obj->driver_private;
+
+ if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &fb_location)) {
+ return -EINVAL;
+ }
+
+ switch (crtc->fb->bits_per_pixel) {
+ case 15:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
+ AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
+ break;
+ case 16:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
+ AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
+ break;
+ case 24:
+ case 32:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
+ AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
+ break;
+ default:
+ DRM_ERROR("Unsupported screen depth %d\n",
+ crtc->fb->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ /* TODO tiling */
+ if (radeon_crtc->crtc_id == 0)
+ WREG32(AVIVO_D1VGA_CONTROL, 0);
+ else
+ WREG32(AVIVO_D2VGA_CONTROL, 0);
+ WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+ (u32) fb_location);
+ WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
+ radeon_crtc->crtc_offset, (u32) fb_location);
+ WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
+
+ WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
+ WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
+
+ fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
+ WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
+ WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
+
+ WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
+ crtc->mode.vdisplay);
+ x &= ~3;
+ y &= ~1;
+ WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
+ (x << 16) | y);
+ WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+ (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
+
+ if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
+ WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
+ AVIVO_D1MODE_INTERLEAVE_EN);
+ else
+ WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
+
+ if (old_fb && old_fb != crtc->fb) {
+ radeon_fb = to_radeon_framebuffer(old_fb);
+ radeon_gem_object_unpin(radeon_fb->obj);
+ }
+ return 0;
+}
+
+int atombios_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_encoder *encoder;
+ SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION crtc_timing;
+
+ /* TODO color tiling */
+ memset(&crtc_timing, 0, sizeof(crtc_timing));
+
+ /* TODO tv */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+
+ }
+
+ crtc_timing.ucCRTC = radeon_crtc->crtc_id;
+ crtc_timing.usH_Total = adjusted_mode->crtc_htotal;
+ crtc_timing.usH_Disp = adjusted_mode->crtc_hdisplay;
+ crtc_timing.usH_SyncStart = adjusted_mode->crtc_hsync_start;
+ crtc_timing.usH_SyncWidth =
+ adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
+
+ crtc_timing.usV_Total = adjusted_mode->crtc_vtotal;
+ crtc_timing.usV_Disp = adjusted_mode->crtc_vdisplay;
+ crtc_timing.usV_SyncStart = adjusted_mode->crtc_vsync_start;
+ crtc_timing.usV_SyncWidth =
+ adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
+ crtc_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
+ crtc_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_CSYNC)
+ crtc_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
+ crtc_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ crtc_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE;
+
+ atombios_crtc_set_pll(crtc, adjusted_mode);
+ atombios_crtc_set_timing(crtc, &crtc_timing);
+
+ if (ASIC_IS_AVIVO(rdev))
+ atombios_crtc_set_base(crtc, x, y, old_fb);
+ else {
+ if (radeon_crtc->crtc_id == 0) {
+ SET_CRTC_USING_DTD_TIMING_PARAMETERS crtc_dtd_timing;
+ memset(&crtc_dtd_timing, 0, sizeof(crtc_dtd_timing));
+
+ /* setup FP shadow regs on R4xx */
+ crtc_dtd_timing.ucCRTC = radeon_crtc->crtc_id;
+ crtc_dtd_timing.usH_Size = adjusted_mode->crtc_hdisplay;
+ crtc_dtd_timing.usV_Size = adjusted_mode->crtc_vdisplay;
+ crtc_dtd_timing.usH_Blanking_Time =
+ adjusted_mode->crtc_hblank_end -
+ adjusted_mode->crtc_hdisplay;
+ crtc_dtd_timing.usV_Blanking_Time =
+ adjusted_mode->crtc_vblank_end -
+ adjusted_mode->crtc_vdisplay;
+ crtc_dtd_timing.usH_SyncOffset =
+ adjusted_mode->crtc_hsync_start -
+ adjusted_mode->crtc_hdisplay;
+ crtc_dtd_timing.usV_SyncOffset =
+ adjusted_mode->crtc_vsync_start -
+ adjusted_mode->crtc_vdisplay;
+ crtc_dtd_timing.usH_SyncWidth =
+ adjusted_mode->crtc_hsync_end -
+ adjusted_mode->crtc_hsync_start;
+ crtc_dtd_timing.usV_SyncWidth =
+ adjusted_mode->crtc_vsync_end -
+ adjusted_mode->crtc_vsync_start;
+ /* crtc_dtd_timing.ucH_Border = adjusted_mode->crtc_hborder; */
+ /* crtc_dtd_timing.ucV_Border = adjusted_mode->crtc_vborder; */
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
+ crtc_dtd_timing.susModeMiscInfo.usAccess |=
+ ATOM_VSYNC_POLARITY;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
+ crtc_dtd_timing.susModeMiscInfo.usAccess |=
+ ATOM_HSYNC_POLARITY;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_CSYNC)
+ crtc_dtd_timing.susModeMiscInfo.usAccess |=
+ ATOM_COMPOSITESYNC;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
+ crtc_dtd_timing.susModeMiscInfo.usAccess |=
+ ATOM_INTERLACE;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ crtc_dtd_timing.susModeMiscInfo.usAccess |=
+ ATOM_DOUBLE_CLOCK_MODE;
+
+ atombios_set_crtc_dtd_timing(crtc, &crtc_dtd_timing);
+ }
+ radeon_crtc_set_base(crtc, x, y, old_fb);
+ radeon_legacy_atom_set_surface(crtc);
+ }
+ return 0;
+}
+
+static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+static void atombios_crtc_prepare(struct drm_crtc *crtc)
+{
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ atombios_lock_crtc(crtc, 1);
+}
+
+static void atombios_crtc_commit(struct drm_crtc *crtc)
+{
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+ atombios_lock_crtc(crtc, 0);
+}
+
+static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
+ .dpms = atombios_crtc_dpms,
+ .mode_fixup = atombios_crtc_mode_fixup,
+ .mode_set = atombios_crtc_mode_set,
+ .mode_set_base = atombios_crtc_set_base,
+ .prepare = atombios_crtc_prepare,
+ .commit = atombios_crtc_commit,
+};
+
+void radeon_atombios_init_crtc(struct drm_device *dev,
+ struct radeon_crtc *radeon_crtc)
+{
+ if (radeon_crtc->crtc_id == 1)
+ radeon_crtc->crtc_offset =
+ AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
+ drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
+}
+
+void radeon_init_disp_bw_avivo(struct drm_device *dev,
+ struct drm_display_mode *mode1,
+ uint32_t pixel_bytes1,
+ struct drm_display_mode *mode2,
+ uint32_t pixel_bytes2)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ fixed20_12 min_mem_eff;
+ fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff;
+ fixed20_12 sclk_ff, mclk_ff;
+ uint32_t dc_lb_memory_split, temp;
+
+ min_mem_eff.full = rfixed_const_8(0);
+ if (rdev->disp_priority == 2) {
+ uint32_t mc_init_misc_lat_timer = 0;
+ if (rdev->family == CHIP_RV515)
+ mc_init_misc_lat_timer =
+ RREG32_MC(RV515_MC_INIT_MISC_LAT_TIMER);
+ else if (rdev->family == CHIP_RS690)
+ mc_init_misc_lat_timer =
+ RREG32_MC(RS690_MC_INIT_MISC_LAT_TIMER);
+
+ mc_init_misc_lat_timer &=
+ ~(R300_MC_DISP1R_INIT_LAT_MASK <<
+ R300_MC_DISP1R_INIT_LAT_SHIFT);
+ mc_init_misc_lat_timer &=
+ ~(R300_MC_DISP0R_INIT_LAT_MASK <<
+ R300_MC_DISP0R_INIT_LAT_SHIFT);
+
+ if (mode2)
+ mc_init_misc_lat_timer |=
+ (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
+ if (mode1)
+ mc_init_misc_lat_timer |=
+ (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
+
+ if (rdev->family == CHIP_RV515)
+ WREG32_MC(RV515_MC_INIT_MISC_LAT_TIMER,
+ mc_init_misc_lat_timer);
+ else if (rdev->family == CHIP_RS690)
+ WREG32_MC(RS690_MC_INIT_MISC_LAT_TIMER,
+ mc_init_misc_lat_timer);
+ }
+
+ /*
+ * determine is there is enough bw for current mode
+ */
+ temp_ff.full = rfixed_const(100);
+ mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
+ mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
+ sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
+ sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
+
+ 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);
+ mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
+
+ 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);
+ }
+ 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);
+ }
+
+ 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");
+ printk("peak disp bw %d, mem_bw %d\n",
+ rfixed_trunc(peak_disp_bw), rfixed_trunc(mem_bw));
+ }
+
+ /*
+ * Line Buffer Setup
+ * There is a single line buffer shared by both display controllers.
+ * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between the display
+ * controllers. The paritioning can either be done manually or via one of four
+ * preset allocations specified in bits 1:0:
+ * 0 - line buffer is divided in half and shared between each display controller
+ * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4
+ * 2 - D1 gets the whole buffer
+ * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4
+ * Setting bit 2 of DC_LB_MEMORY_SPLIT controls switches to manual allocation mode.
+ * In manual allocation mode, D1 always starts at 0, D1 end/2 is specified in bits
+ * 14:4; D2 allocation follows D1.
+ */
+
+ /* is auto or manual better ? */
+ dc_lb_memory_split =
+ RREG32(AVIVO_DC_LB_MEMORY_SPLIT) & ~AVIVO_DC_LB_MEMORY_SPLIT_MASK;
+ dc_lb_memory_split &= ~AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE;
+#if 1
+ /* auto */
+ if (mode1 && mode2) {
+ if (mode1->hdisplay > mode2->hdisplay) {
+ if (mode1->hdisplay > 2560)
+ dc_lb_memory_split |=
+ AVIVO_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q;
+ else
+ dc_lb_memory_split |=
+ AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
+ } else if (mode2->hdisplay > mode1->hdisplay) {
+ if (mode2->hdisplay > 2560)
+ dc_lb_memory_split |=
+ AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
+ else
+ dc_lb_memory_split |=
+ AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
+ } else
+ dc_lb_memory_split |=
+ AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
+ } else if (mode1) {
+ dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_ONLY;
+ } else if (mode2) {
+ dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
+ }
+#else
+ /* manual */
+ dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE;
+ dc_lb_memory_split &=
+ ~(AVIVO_DC_LB_DISP1_END_ADR_MASK <<
+ AVIVO_DC_LB_DISP1_END_ADR_SHIFT);
+ if (mode1) {
+ dc_lb_memory_split |=
+ ((((mode1->hdisplay / 2) + 64) & AVIVO_DC_LB_DISP1_END_ADR_MASK)
+ << AVIVO_DC_LB_DISP1_END_ADR_SHIFT);
+ } else if (mode2) {
+ dc_lb_memory_split |= (0 << AVIVO_DC_LB_DISP1_END_ADR_SHIFT);
+ }
+#endif
+ WREG32(AVIVO_DC_LB_MEMORY_SPLIT, dc_lb_memory_split);
+}