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drm/amd/display: Fix disabled cursor on top screen edge

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[Why]
The cursor vanishes when touching the top of edge of the screen for
Raven on Linux.

This occurs because the cursor height is not taken into account when
deciding to disable the cursor.

[How]
Factor in the cursor height into the cursor calculations - and mimic
the existing x position calculations.

Fixes: 94a4ffd1d4 ("drm/amd/display: fix PIP bugs on Dal3")

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas 2018-12-11 12:35:56 -05:00 committed by Alex Deucher
parent b03a599b3e
commit 55a806d37f
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
View File

@ -463,7 +463,7 @@ void dpp1_set_cursor_position(
if (src_y_offset >= (int)param->viewport.height)
cur_en = 0; /* not visible beyond bottom edge*/
if (src_y_offset < 0)
if (src_y_offset + (int)height <= 0)
cur_en = 0; /* not visible beyond top edge*/
REG_UPDATE(CURSOR0_CONTROL,

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
View File

@ -1140,7 +1140,7 @@ void hubp1_cursor_set_position(
if (src_y_offset >= (int)param->viewport.height)
cur_en = 0; /* not visible beyond bottom edge*/
if (src_y_offset < 0) //+ (int)hubp->curs_attr.height
if (src_y_offset + (int)hubp->curs_attr.height <= 0)
cur_en = 0; /* not visible beyond top edge*/
if (cur_en && REG_READ(CURSOR_SURFACE_ADDRESS) == 0)