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| author | Linus Walleij <linus.walleij@linaro.org> | 2018-02-06 12:35:38 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-02-07 11:08:40 +0300 |
| commit | eedd6033b4c88d559afd7c8ac8a76fefcd9834a6 (patch) | |
| tree | 2e276f18b5ce5ef45461abe4481318feb20367fd /drivers/gpu/drm/pl111/pl111_drm.h | |
| parent | 6470b7ddec69dc2edd4bcb01eab3cf71ead5f794 (diff) | |
| download | linux-eedd6033b4c88d559afd7c8ac8a76fefcd9834a6.tar.xz | |
drm/pl111: Support variants with broken clock divider
The early Integrator CLCD synthesized in the Integrator CP and
IM-PD1 FPGAs are broken: their clock dividers do not work
properly. Support disabling the clock divider and drive the
clock directly from the parent under these circumstances.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180206093540.8147-3-linus.walleij@linaro.org
Diffstat (limited to 'drivers/gpu/drm/pl111/pl111_drm.h')
| -rw-r--r-- | drivers/gpu/drm/pl111/pl111_drm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/pl111/pl111_drm.h b/drivers/gpu/drm/pl111/pl111_drm.h index bc04b54014a7..a9b18195d11d 100644 --- a/drivers/gpu/drm/pl111/pl111_drm.h +++ b/drivers/gpu/drm/pl111/pl111_drm.h @@ -38,6 +38,8 @@ struct drm_minor; * @is_pl110: this is the early PL110 variant * @external_bgr: this is the Versatile Pl110 variant with external * BGR/RGB routing + * @broken_clockdivider: the clock divider is broken and we need to + * use the supplied clock directly * @formats: array of supported pixel formats on this variant * @nformats: the length of the array of supported pixel formats */ @@ -45,6 +47,7 @@ struct pl111_variant_data { const char *name; bool is_pl110; bool external_bgr; + bool broken_clockdivider; const u32 *formats; unsigned int nformats; }; |