diff options
Diffstat (limited to 'src/mainboard/google/peppy')
| -rw-r--r-- | src/mainboard/google/peppy/gma.c | 104 |
1 files changed, 1 insertions, 103 deletions
diff --git a/src/mainboard/google/peppy/gma.c b/src/mainboard/google/peppy/gma.c index 683f69bdcc..9c76c80834 100644 --- a/src/mainboard/google/peppy/gma.c +++ b/src/mainboard/google/peppy/gma.c @@ -91,8 +91,6 @@ static unsigned int *mmio; static unsigned int graphics; static unsigned int physbase; -int intel_dp_bw_code_to_link_rate(u8 link_bw); - static int i915_init_done = 0; /* fill the palette. */ @@ -106,106 +104,6 @@ static void palette(void) } } -/* assumption: the dpcd in the dp is valid. The raw edid has been read - * and the translation has been done. - */ -void dp_init_dim_regs(struct intel_dp *dp); -void dp_init_dim_regs(struct intel_dp *dp) -{ - struct edid *edid = &(dp->edid); - - /* step 1: get the constants in the dp struct set up. */ - dp->lane_count = dp->dpcd[DP_MAX_LANE_COUNT]&DP_LANE_COUNT_MASK; - - dp->link_bw = dp->dpcd[DP_MAX_LINK_RATE]; - dp->clock = intel_dp_bw_code_to_link_rate(dp->link_bw); - dp->edid.link_clock = intel_dp_bw_code_to_link_rate(dp->link_bw); - - /* step 2. Do some computation of other stuff. */ - dp->bytes_per_pixel = dp->pipe_bits_per_pixel/8; - - dp->stride = edid->bytes_per_line; - - dp->htotal = (edid->ha - 1) | ((edid->ha + edid->hbl - 1) << 16); - - dp->hblank = (edid->ha - 1) | ((edid->ha + edid->hbl - 1) << 16); - - dp->hsync = (edid->ha + edid->hso - 1) | - ((edid->ha + edid->hso + edid->hspw - 1) << 16); - - dp->vtotal = (edid->va - 1) | ((edid->va + edid->vbl - 1) << 16); - - dp->vblank = (edid->va - 1) | ((edid->va + edid->vbl - 1) << 16); - - dp->vsync = (edid->va + edid->vso - 1) | - ((edid->va + edid->vso + edid->vspw - 1) << 16); - - /* PIPEASRC is wid-1 x ht-1 */ - dp->pipesrc = (edid->ha-1)<<16 | (edid->va-1); - - dp->pfa_pos = 0; - - /* XXXXXXXXXXXXXX hard code */ - dp->pfa_ctl = 0x80800000; - - dp->pfa_sz = (edid->ha << 16) | (edid->va); - - /* step 3. Call the linux code we pulled in. */ - dp->flags = intel_ddi_calc_transcoder_flags(edid->panel_bits_per_pixel, - dp->port, - dp->pipe, - dp->type, - dp->lane_count, - dp->pfa_sz, - dp->edid.phsync == '+'?1:0, - dp->edid.pvsync == '+'?1:0); - - dp->transcoder = intel_ddi_get_transcoder(dp->port, - dp->pipe); - - intel_dp_compute_m_n(edid->panel_bits_per_pixel, - dp->lane_count, - dp->edid.pixel_clock, - dp->edid.link_clock, - &dp->m_n); - - printk(BIOS_SPEW, "dp->lane_count = 0x%08x\n",dp->lane_count); - printk(BIOS_SPEW, "dp->stride = 0x%08x\n",dp->stride); - printk(BIOS_SPEW, "dp->htotal = 0x%08x\n", dp->htotal); - printk(BIOS_SPEW, "dp->hblank = 0x%08x\n", dp->hblank); - printk(BIOS_SPEW, "dp->hsync = 0x%08x\n", dp->hsync); - printk(BIOS_SPEW, "dp->vtotal = 0x%08x\n", dp->vtotal); - printk(BIOS_SPEW, "dp->vblank = 0x%08x\n", dp->vblank); - printk(BIOS_SPEW, "dp->vsync = 0x%08x\n", dp->vsync); - printk(BIOS_SPEW, "dp->pipesrc = 0x%08x\n", dp->pipesrc); - printk(BIOS_SPEW, "dp->pfa_pos = 0x%08x\n", dp->pfa_pos); - printk(BIOS_SPEW, "dp->pfa_ctl = 0x%08x\n", dp->pfa_ctl); - printk(BIOS_SPEW, "dp->pfa_sz = 0x%08x\n", dp->pfa_sz); - printk(BIOS_SPEW, "dp->link_m = 0x%08x\n", dp->m_n.link_m); - printk(BIOS_SPEW, "dp->link_n = 0x%08x\n", dp->m_n.link_n); - printk(BIOS_SPEW, "0x6f030 = 0x%08x\n", - TU_SIZE(dp->m_n.tu) | dp->m_n.gmch_m); - printk(BIOS_SPEW, "0x6f030 = 0x%08x\n", dp->m_n.gmch_m); - printk(BIOS_SPEW, "0x6f034 = 0x%08x\n", dp->m_n.gmch_n); - printk(BIOS_SPEW, "dp->flags = 0x%08x\n", dp->flags); -} - -int intel_dp_bw_code_to_link_rate(u8 link_bw) -{ - switch (link_bw) { - default: - printk(BIOS_ERR, - "ERROR: link_bw(%d) is bogus; must be one of 6, 0xa, or 0x14\n", - link_bw); - case DP_LINK_BW_1_62: - return 162000; - case DP_LINK_BW_2_7: - return 270000; - case DP_LINK_BW_5_4: - return 540000; - } -} - void mainboard_train_link(struct intel_dp *intel_dp) { u8 read_val; @@ -366,7 +264,7 @@ int i915lightup(unsigned int pphysbase, unsigned int pmmio, printk(BIOS_SPEW, "decode edid returns %d\n", edid_ok); - dp_init_dim_regs(dp); + compute_display_params(dp); printk(BIOS_SPEW, "pixel_clock is %i, link_clock is %i\n", dp->edid.pixel_clock, dp->edid.link_clock); |