drm/amd/display: Fix RV2 Variant Detection

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[WHY]
RV2 and variants are indistinguishable by hw internal rev alone, need to
be distinguishable in order to correctly set max vlevel.  Previous
detection change incorrectly checked for hw internal rev.

[HOW]
Use pci revision to check if RV2 or low power variant Correct a few
overlapping ASICREV range checks

Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Michael Strauss <Michael.Strauss@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Michael Strauss 2020-02-13 15:08:13 -05:00 • committed by Alex Deucher

parent 9dac88d879

commit 41ef3dcd86

3 changed files with 21 additions and 18 deletions

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20

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

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7

drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c

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12

drivers/gpu/drm/amd/display/include/dal_asic_id.h

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