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Add cpu transcoder attribute to intel dp

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Also, used this attribute in the calculation of htotal and other registers
Added intel_dp_* functions for m,n registers and dimension register calculations

Change-Id: I99dd7156700d59b0b4c85e34c9aa1c6408c7f31a
Reviewed-on: https://gerrit.chromium.org/gerrit/64001
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/4422
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Furquan Shaikh
2013-07-31 16:47:31 -07:00
committed by Patrick Georgi
parent d0a81f7534
commit db3157cfee
6 changed files with 55 additions and 20 deletions
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22
src/drivers/intel/gma/intel_dp.c
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@ -1739,3 +1739,25 @@ intel_dp_get_max_downspread(struct intel_dp *intel_dp, u8 *max_downspread)
return 1;
}
void intel_dp_set_m_n_regs(struct intel_dp *intel_dp)
{
io_i915_write32(0x7e4a0000, PIPE_DATA_M1(intel_dp->transcoder));
/* io_i915_write32(0x00800000,0x6f034); */
/* Write to 0x6f030 has to be 0x7e4ayyyy -- First four hex digits are important.
However, with our formula we always see values 0x7e43yyyy (1366 panel) and
0x7e42yyy (1280 panel) */
/* io_i915_write32(TU_SIZE(intel_dp->m_n.tu) | intel_dp->m_n.gmch_m,PIPE_DATA_M1(intel_dp->transcoder)); */
io_i915_write32(intel_dp->m_n.gmch_n, PIPE_DATA_N1(intel_dp->transcoder));
io_i915_write32(intel_dp->m_n.link_m, PIPE_LINK_M1(intel_dp->transcoder));
io_i915_write32(intel_dp->m_n.link_n, PIPE_LINK_N1(intel_dp->transcoder));
}
void intel_dp_set_resolution(struct intel_dp *intel_dp)
{
io_i915_write32(intel_dp->htotal, HTOTAL(intel_dp->transcoder));
io_i915_write32(intel_dp->hblank, HBLANK(intel_dp->transcoder));
io_i915_write32(intel_dp->hsync, HSYNC(intel_dp->transcoder));
io_i915_write32(intel_dp->vtotal, VTOTAL(intel_dp->transcoder));
io_i915_write32(intel_dp->vblank, VBLANK(intel_dp->transcoder));
io_i915_write32(intel_dp->vsync, VSYNC(intel_dp->transcoder));
}