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drm/i915/display: Make POWER_DOMAIN_*() always result in enum intel_display_power_domain

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In the hope of contributing to type safety in our code, let's ensure
that the type returned by the POWER_DOMAIN_*() macros is always of type
enum intel_display_power_domain.

v2:
  - Remove accidental +1 in definition of POWER_DOMAIN_PIPE(). (Jani)

Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250227-improve-type-safey-power-domain-macros-v3-2-b6eaa00f9c33@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
This commit is contained in:
Gustavo Sousa 2025-02-27 18:09:13 -03:00
parent 322ec93e90
commit 5c91b5ad71
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/i915/display/intel_display_power.h
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@ -117,12 +117,13 @@ enum intel_display_power_domain {
POWER_DOMAIN_INVALID = POWER_DOMAIN_NUM,
};
#define POWER_DOMAIN_PIPE(pipe) ((pipe) - PIPE_A + POWER_DOMAIN_PIPE_A)
#define POWER_DOMAIN_PIPE(pipe) \
((enum intel_display_power_domain)((pipe) - PIPE_A + POWER_DOMAIN_PIPE_A))
#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
((pipe) - PIPE_A + POWER_DOMAIN_PIPE_PANEL_FITTER_A)
((enum intel_display_power_domain)((pipe) - PIPE_A + POWER_DOMAIN_PIPE_PANEL_FITTER_A))
#define POWER_DOMAIN_TRANSCODER(tran) \
((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
(tran) - TRANSCODER_A + POWER_DOMAIN_TRANSCODER_A)
(enum intel_display_power_domain)((tran) - TRANSCODER_A + POWER_DOMAIN_TRANSCODER_A))
struct intel_power_domain_mask {
DECLARE_BITMAP(bits, POWER_DOMAIN_NUM);